Home / 9,033.20-12,453.54-6,340.76

Finding the Fourth Proportional to 9,033.20, 12,453.54 and 6,340.76

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Solution

The fourth proportional to 9,033.20, 12,453.54 and 6,340.76 is: 8,741.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,033.20 : 12,453.54 = 6,340.76 : x
  2. Step 2: Convert to fraction form
    9,033.20/12,453.54 = 6,340.76/x
  3. Step 3: Cross multiply
    9,033.20x = 12,453.54 × 6,340.76
  4. Step 4: Simplify right side
    9,033.20x = 78,964,908.29
  5. Step 5: Solve for x
    x = 78,964,908.29/9,033.20
  6. Step 6: Final answer
    x = 8,741.63

Related Problems

Find fourth proportional to 4,516.60, 6,226.77 and 3,170.38
Half scale
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Double scale
Find fourth proportional to 9,034.20, 12,454.92 and 6,341.76
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.