Home / 11,229.30-16,811.55-10,062.90

Finding the Fourth Proportional to 11,229.30, 16,811.55 and 10,062.90

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Solution

The fourth proportional to 11,229.30, 16,811.55 and 10,062.90 is: 15,065.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.30 : 16,811.55 = 10,062.90 : x
  2. Step 2: Convert to fraction form
    11,229.30/16,811.55 = 10,062.90/x
  3. Step 3: Cross multiply
    11,229.30x = 16,811.55 × 10,062.90
  4. Step 4: Simplify right side
    11,229.30x = 169,172,946.50
  5. Step 5: Solve for x
    x = 169,172,946.50/11,229.30
  6. Step 6: Final answer
    x = 15,065.32

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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.