Home / 8,881.60-13,318.14-5,184.92

Finding the Fourth Proportional to 8,881.60, 13,318.14 and 5,184.92

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Solution

The fourth proportional to 8,881.60, 13,318.14 and 5,184.92 is: 7,774.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.60 : 13,318.14 = 5,184.92 : x
  2. Step 2: Convert to fraction form
    8,881.60/13,318.14 = 5,184.92/x
  3. Step 3: Cross multiply
    8,881.60x = 13,318.14 × 5,184.92
  4. Step 4: Simplify right side
    8,881.60x = 69,053,490.45
  5. Step 5: Solve for x
    x = 69,053,490.45/8,881.60
  6. Step 6: Final answer
    x = 7,774.89

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1.5x scale

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.