Home / 8,371.48-11,554.24-5,538.91

Finding the Fourth Proportional to 8,371.48, 11,554.24 and 5,538.91

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Solution

The fourth proportional to 8,371.48, 11,554.24 and 5,538.91 is: 7,644.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371.48 : 11,554.24 = 5,538.91 : x
  2. Step 2: Convert to fraction form
    8,371.48/11,554.24 = 5,538.91/x
  3. Step 3: Cross multiply
    8,371.48x = 11,554.24 × 5,538.91
  4. Step 4: Simplify right side
    8,371.48x = 63,997,867.78
  5. Step 5: Solve for x
    x = 63,997,867.78/8,371.48
  6. Step 6: Final answer
    x = 7,644.75

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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.