Home / 9,331.14-12,877.12-5,082.28

Finding the Fourth Proportional to 9,331.14, 12,877.12 and 5,082.28

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Solution

The fourth proportional to 9,331.14, 12,877.12 and 5,082.28 is: 7,013.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.14 : 12,877.12 = 5,082.28 : x
  2. Step 2: Convert to fraction form
    9,331.14/12,877.12 = 5,082.28/x
  3. Step 3: Cross multiply
    9,331.14x = 12,877.12 × 5,082.28
  4. Step 4: Simplify right side
    9,331.14x = 65,445,168.38
  5. Step 5: Solve for x
    x = 65,445,168.38/9,331.14
  6. Step 6: Final answer
    x = 7,013.63

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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.