Home / 11,562.24-17,342.28-4,987.20

Finding the Fourth Proportional to 11,562.24, 17,342.28 and 4,987.20

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Solution

The fourth proportional to 11,562.24, 17,342.28 and 4,987.20 is: 7,480.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,562.24 : 17,342.28 = 4,987.20 : x
  2. Step 2: Convert to fraction form
    11,562.24/17,342.28 = 4,987.20/x
  3. Step 3: Cross multiply
    11,562.24x = 17,342.28 × 4,987.20
  4. Step 4: Simplify right side
    11,562.24x = 86,489,418.82
  5. Step 5: Solve for x
    x = 86,489,418.82/11,562.24
  6. Step 6: Final answer
    x = 7,480.33

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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.