Home / 11,452.54-15,805.42-6,417.88

Finding the Fourth Proportional to 11,452.54, 15,805.42 and 6,417.88

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Solution

The fourth proportional to 11,452.54, 15,805.42 and 6,417.88 is: 8,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,452.54 : 15,805.42 = 6,417.88 : x
  2. Step 2: Convert to fraction form
    11,452.54/15,805.42 = 6,417.88/x
  3. Step 3: Cross multiply
    11,452.54x = 15,805.42 × 6,417.88
  4. Step 4: Simplify right side
    11,452.54x = 101,437,288.91
  5. Step 5: Solve for x
    x = 101,437,288.91/11,452.54
  6. Step 6: Final answer
    x = 8,857.19

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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.