Home / 7,554.72-11,331.36-2,082.72

Finding the Fourth Proportional to 7,554.72, 11,331.36 and 2,082.72

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Solution

The fourth proportional to 7,554.72, 11,331.36 and 2,082.72 is: 3,123.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,554.72 : 11,331.36 = 2,082.72 : x
  2. Step 2: Convert to fraction form
    7,554.72/11,331.36 = 2,082.72/x
  3. Step 3: Cross multiply
    7,554.72x = 11,331.36 × 2,082.72
  4. Step 4: Simplify right side
    7,554.72x = 23,600,050.10
  5. Step 5: Solve for x
    x = 23,600,050.10/7,554.72
  6. Step 6: Final answer
    x = 3,123.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.