Home / 8,614.47-11,885.16-5,028.63

Finding the Fourth Proportional to 8,614.47, 11,885.16 and 5,028.63

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Solution

The fourth proportional to 8,614.47, 11,885.16 and 5,028.63 is: 6,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,614.47 : 11,885.16 = 5,028.63 : x
  2. Step 2: Convert to fraction form
    8,614.47/11,885.16 = 5,028.63/x
  3. Step 3: Cross multiply
    8,614.47x = 11,885.16 × 5,028.63
  4. Step 4: Simplify right side
    8,614.47x = 59,766,072.13
  5. Step 5: Solve for x
    x = 59,766,072.13/8,614.47
  6. Step 6: Final answer
    x = 6,937.87

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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.