Home / 10,526.20-15,750.36-8,659.96

Finding the Fourth Proportional to 10,526.20, 15,750.36 and 8,659.96

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Solution

The fourth proportional to 10,526.20, 15,750.36 and 8,659.96 is: 12,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,526.20 : 15,750.36 = 8,659.96 : x
  2. Step 2: Convert to fraction form
    10,526.20/15,750.36 = 8,659.96/x
  3. Step 3: Cross multiply
    10,526.20x = 15,750.36 × 8,659.96
  4. Step 4: Simplify right side
    10,526.20x = 136,397,487.59
  5. Step 5: Solve for x
    x = 136,397,487.59/10,526.20
  6. Step 6: Final answer
    x = 12,957.90

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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.