Home / 8,864.15-12,231.14-5,087.25

Finding the Fourth Proportional to 8,864.15, 12,231.14 and 5,087.25

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Solution

The fourth proportional to 8,864.15, 12,231.14 and 5,087.25 is: 7,019.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.15 : 12,231.14 = 5,087.25 : x
  2. Step 2: Convert to fraction form
    8,864.15/12,231.14 = 5,087.25/x
  3. Step 3: Cross multiply
    8,864.15x = 12,231.14 × 5,087.25
  4. Step 4: Simplify right side
    8,864.15x = 62,222,841.53
  5. Step 5: Solve for x
    x = 62,222,841.53/8,864.15
  6. Step 6: Final answer
    x = 7,019.61

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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.