Home / 12,747.58-17,592.19-7,082.30

Finding the Fourth Proportional to 12,747.58, 17,592.19 and 7,082.30

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Solution

The fourth proportional to 12,747.58, 17,592.19 and 7,082.30 is: 9,773.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747.58 : 17,592.19 = 7,082.30 : x
  2. Step 2: Convert to fraction form
    12,747.58/17,592.19 = 7,082.30/x
  3. Step 3: Cross multiply
    12,747.58x = 17,592.19 × 7,082.30
  4. Step 4: Simplify right side
    12,747.58x = 124,593,193.51
  5. Step 5: Solve for x
    x = 124,593,193.51/12,747.58
  6. Step 6: Final answer
    x = 9,773.87

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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.