Home / 9,729.28-14,587.20-6,432.43

Finding the Fourth Proportional to 9,729.28, 14,587.20 and 6,432.43

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Solution

The fourth proportional to 9,729.28, 14,587.20 and 6,432.43 is: 9,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,729.28 : 14,587.20 = 6,432.43 : x
  2. Step 2: Convert to fraction form
    9,729.28/14,587.20 = 6,432.43/x
  3. Step 3: Cross multiply
    9,729.28x = 14,587.20 × 6,432.43
  4. Step 4: Simplify right side
    9,729.28x = 93,831,142.90
  5. Step 5: Solve for x
    x = 93,831,142.90/9,729.28
  6. Step 6: Final answer
    x = 9,644.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.