Home / 8,825.60-13,248.12-6,988.52

Finding the Fourth Proportional to 8,825.60, 13,248.12 and 6,988.52

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Solution

The fourth proportional to 8,825.60, 13,248.12 and 6,988.52 is: 10,490.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.60 : 13,248.12 = 6,988.52 : x
  2. Step 2: Convert to fraction form
    8,825.60/13,248.12 = 6,988.52/x
  3. Step 3: Cross multiply
    8,825.60x = 13,248.12 × 6,988.52
  4. Step 4: Simplify right side
    8,825.60x = 92,584,751.58
  5. Step 5: Solve for x
    x = 92,584,751.58/8,825.60
  6. Step 6: Final answer
    x = 10,490.48

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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.