Home / 8,863.52-12,231.60-5,087.36

Finding the Fourth Proportional to 8,863.52, 12,231.60 and 5,087.36

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Solution

The fourth proportional to 8,863.52, 12,231.60 and 5,087.36 is: 7,020.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.52 : 12,231.60 = 5,087.36 : x
  2. Step 2: Convert to fraction form
    8,863.52/12,231.60 = 5,087.36/x
  3. Step 3: Cross multiply
    8,863.52x = 12,231.60 × 5,087.36
  4. Step 4: Simplify right side
    8,863.52x = 62,226,552.58
  5. Step 5: Solve for x
    x = 62,226,552.58/8,863.52
  6. Step 6: Final answer
    x = 7,020.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.