Home / 9,480.05-13,082.59-5,231.28

Finding the Fourth Proportional to 9,480.05, 13,082.59 and 5,231.28

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Solution

The fourth proportional to 9,480.05, 13,082.59 and 5,231.28 is: 7,219.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480.05 : 13,082.59 = 5,231.28 : x
  2. Step 2: Convert to fraction form
    9,480.05/13,082.59 = 5,231.28/x
  3. Step 3: Cross multiply
    9,480.05x = 13,082.59 × 5,231.28
  4. Step 4: Simplify right side
    9,480.05x = 68,438,691.42
  5. Step 5: Solve for x
    x = 68,438,691.42/9,480.05
  6. Step 6: Final answer
    x = 7,219.23

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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.