Home / 8,758.07-12,086.13-5,614.25

Finding the Fourth Proportional to 8,758.07, 12,086.13 and 5,614.25

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Solution

The fourth proportional to 8,758.07, 12,086.13 and 5,614.25 is: 7,747.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.07 : 12,086.13 = 5,614.25 : x
  2. Step 2: Convert to fraction form
    8,758.07/12,086.13 = 5,614.25/x
  3. Step 3: Cross multiply
    8,758.07x = 12,086.13 × 5,614.25
  4. Step 4: Simplify right side
    8,758.07x = 67,854,527.28
  5. Step 5: Solve for x
    x = 67,854,527.28/8,758.07
  6. Step 6: Final answer
    x = 7,747.66

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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.