Home / 11,175.24-15,422.16-6,459.52

Finding the Fourth Proportional to 11,175.24, 15,422.16 and 6,459.52

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Solution

The fourth proportional to 11,175.24, 15,422.16 and 6,459.52 is: 8,914.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.24 : 15,422.16 = 6,459.52 : x
  2. Step 2: Convert to fraction form
    11,175.24/15,422.16 = 6,459.52/x
  3. Step 3: Cross multiply
    11,175.24x = 15,422.16 × 6,459.52
  4. Step 4: Simplify right side
    11,175.24x = 99,619,750.96
  5. Step 5: Solve for x
    x = 99,619,750.96/11,175.24
  6. Step 6: Final answer
    x = 8,914.33

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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.