Home / 8,587.62-11,850.71-5,597.78

Finding the Fourth Proportional to 8,587.62, 11,850.71 and 5,597.78

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Solution

The fourth proportional to 8,587.62, 11,850.71 and 5,597.78 is: 7,724.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.62 : 11,850.71 = 5,597.78 : x
  2. Step 2: Convert to fraction form
    8,587.62/11,850.71 = 5,597.78/x
  3. Step 3: Cross multiply
    8,587.62x = 11,850.71 × 5,597.78
  4. Step 4: Simplify right side
    8,587.62x = 66,337,580.18
  5. Step 5: Solve for x
    x = 66,337,580.18/8,587.62
  6. Step 6: Final answer
    x = 7,724.79

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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.