Home / 10,862.20-16,291.14-3,932.92

Finding the Fourth Proportional to 10,862.20, 16,291.14 and 3,932.92

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Solution

The fourth proportional to 10,862.20, 16,291.14 and 3,932.92 is: 5,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.20 : 16,291.14 = 3,932.92 : x
  2. Step 2: Convert to fraction form
    10,862.20/16,291.14 = 3,932.92/x
  3. Step 3: Cross multiply
    10,862.20x = 16,291.14 × 3,932.92
  4. Step 4: Simplify right side
    10,862.20x = 64,071,750.33
  5. Step 5: Solve for x
    x = 64,071,750.33/10,862.20
  6. Step 6: Final answer
    x = 5,898.60

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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.