Home / 8,724.65-13,079.41-3,527.15

Finding the Fourth Proportional to 8,724.65, 13,079.41 and 3,527.15

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Solution

The fourth proportional to 8,724.65, 13,079.41 and 3,527.15 is: 5,287.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.65 : 13,079.41 = 3,527.15 : x
  2. Step 2: Convert to fraction form
    8,724.65/13,079.41 = 3,527.15/x
  3. Step 3: Cross multiply
    8,724.65x = 13,079.41 × 3,527.15
  4. Step 4: Simplify right side
    8,724.65x = 46,132,966.77
  5. Step 5: Solve for x
    x = 46,132,966.77/8,724.65
  6. Step 6: Final answer
    x = 5,287.66

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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.