Home / 7,616.43-11,427.28-5,442.12

Finding the Fourth Proportional to 7,616.43, 11,427.28 and 5,442.12

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Solution

The fourth proportional to 7,616.43, 11,427.28 and 5,442.12 is: 8,165.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.43 : 11,427.28 = 5,442.12 : x
  2. Step 2: Convert to fraction form
    7,616.43/11,427.28 = 5,442.12/x
  3. Step 3: Cross multiply
    7,616.43x = 11,427.28 × 5,442.12
  4. Step 4: Simplify right side
    7,616.43x = 62,188,615.43
  5. Step 5: Solve for x
    x = 62,188,615.43/7,616.43
  6. Step 6: Final answer
    x = 8,165.06

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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.