Home / 10,489.02-15,728.10-3,092.52

Finding the Fourth Proportional to 10,489.02, 15,728.10 and 3,092.52

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Solution

The fourth proportional to 10,489.02, 15,728.10 and 3,092.52 is: 4,637.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489.02 : 15,728.10 = 3,092.52 : x
  2. Step 2: Convert to fraction form
    10,489.02/15,728.10 = 3,092.52/x
  3. Step 3: Cross multiply
    10,489.02x = 15,728.10 × 3,092.52
  4. Step 4: Simplify right side
    10,489.02x = 48,639,463.81
  5. Step 5: Solve for x
    x = 48,639,463.81/10,489.02
  6. Step 6: Final answer
    x = 4,637.18

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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.