Home / 11,565.50-15,961.10-6,527.88

Finding the Fourth Proportional to 11,565.50, 15,961.10 and 6,527.88

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Solution

The fourth proportional to 11,565.50, 15,961.10 and 6,527.88 is: 9,008.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.50 : 15,961.10 = 6,527.88 : x
  2. Step 2: Convert to fraction form
    11,565.50/15,961.10 = 6,527.88/x
  3. Step 3: Cross multiply
    11,565.50x = 15,961.10 × 6,527.88
  4. Step 4: Simplify right side
    11,565.50x = 104,192,112.83
  5. Step 5: Solve for x
    x = 104,192,112.83/11,565.50
  6. Step 6: Final answer
    x = 9,008.88

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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.