Home / 9,478.36-13,082.74-5,500.75

Finding the Fourth Proportional to 9,478.36, 13,082.74 and 5,500.75

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Solution

The fourth proportional to 9,478.36, 13,082.74 and 5,500.75 is: 7,592.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.36 : 13,082.74 = 5,500.75 : x
  2. Step 2: Convert to fraction form
    9,478.36/13,082.74 = 5,500.75/x
  3. Step 3: Cross multiply
    9,478.36x = 13,082.74 × 5,500.75
  4. Step 4: Simplify right side
    9,478.36x = 71,964,882.06
  5. Step 5: Solve for x
    x = 71,964,882.06/9,478.36
  6. Step 6: Final answer
    x = 7,592.55

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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.