Home / 8,194.68-11,302.56-6,422.76

Finding the Fourth Proportional to 8,194.68, 11,302.56 and 6,422.76

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Solution

The fourth proportional to 8,194.68, 11,302.56 and 6,422.76 is: 8,858.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,194.68 : 11,302.56 = 6,422.76 : x
  2. Step 2: Convert to fraction form
    8,194.68/11,302.56 = 6,422.76/x
  3. Step 3: Cross multiply
    8,194.68x = 11,302.56 × 6,422.76
  4. Step 4: Simplify right side
    8,194.68x = 72,593,630.27
  5. Step 5: Solve for x
    x = 72,593,630.27/8,194.68
  6. Step 6: Final answer
    x = 8,858.63

Related Problems

Find fourth proportional to 4,097.34, 5,651.28 and 3,211.38
Half scale
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Double scale
Find fourth proportional to 8,195.68, 11,303.94 and 6,423.76
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.