Home / 10,296.46-14,209.14-5,580.76

Finding the Fourth Proportional to 10,296.46, 14,209.14 and 5,580.76

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Solution

The fourth proportional to 10,296.46, 14,209.14 and 5,580.76 is: 7,701.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,296.46 : 14,209.14 = 5,580.76 : x
  2. Step 2: Convert to fraction form
    10,296.46/14,209.14 = 5,580.76/x
  3. Step 3: Cross multiply
    10,296.46x = 14,209.14 × 5,580.76
  4. Step 4: Simplify right side
    10,296.46x = 79,297,800.15
  5. Step 5: Solve for x
    x = 79,297,800.15/10,296.46
  6. Step 6: Final answer
    x = 7,701.46

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Find fourth proportional to 5,148.23, 7,104.57 and 2,790.38
Half scale
Find fourth proportional to 20,592.92, 28,418.28 and 11,161.52
Double scale
Find fourth proportional to 10,297.46, 14,210.52 and 5,581.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.