Home / 8,871.52-13,308.72-2,632.14

Finding the Fourth Proportional to 8,871.52, 13,308.72 and 2,632.14

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Solution

The fourth proportional to 8,871.52, 13,308.72 and 2,632.14 is: 3,948.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.52 : 13,308.72 = 2,632.14 : x
  2. Step 2: Convert to fraction form
    8,871.52/13,308.72 = 2,632.14/x
  3. Step 3: Cross multiply
    8,871.52x = 13,308.72 × 2,632.14
  4. Step 4: Simplify right side
    8,871.52x = 35,030,414.26
  5. Step 5: Solve for x
    x = 35,030,414.26/8,871.52
  6. Step 6: Final answer
    x = 3,948.64

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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.