Home / 8,727.12-13,091.76-2,882.16

Finding the Fourth Proportional to 8,727.12, 13,091.76 and 2,882.16

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Solution

The fourth proportional to 8,727.12, 13,091.76 and 2,882.16 is: 4,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.12 : 13,091.76 = 2,882.16 : x
  2. Step 2: Convert to fraction form
    8,727.12/13,091.76 = 2,882.16/x
  3. Step 3: Cross multiply
    8,727.12x = 13,091.76 × 2,882.16
  4. Step 4: Simplify right side
    8,727.12x = 37,732,547.00
  5. Step 5: Solve for x
    x = 37,732,547.00/8,727.12
  6. Step 6: Final answer
    x = 4,323.60

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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.