Home / 11,041.52-15,242.93-8,517.96

Finding the Fourth Proportional to 11,041.52, 15,242.93 and 8,517.96

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Solution

The fourth proportional to 11,041.52, 15,242.93 and 8,517.96 is: 11,759.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,041.52 : 15,242.93 = 8,517.96 : x
  2. Step 2: Convert to fraction form
    11,041.52/15,242.93 = 8,517.96/x
  3. Step 3: Cross multiply
    11,041.52x = 15,242.93 × 8,517.96
  4. Step 4: Simplify right side
    11,041.52x = 129,838,705.29
  5. Step 5: Solve for x
    x = 129,838,705.29/11,041.52
  6. Step 6: Final answer
    x = 11,759.14

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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.