Home / 7,432.36-11,149.62-2,238.64

Finding the Fourth Proportional to 7,432.36, 11,149.62 and 2,238.64

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Solution

The fourth proportional to 7,432.36, 11,149.62 and 2,238.64 is: 3,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.36 : 11,149.62 = 2,238.64 : x
  2. Step 2: Convert to fraction form
    7,432.36/11,149.62 = 2,238.64/x
  3. Step 3: Cross multiply
    7,432.36x = 11,149.62 × 2,238.64
  4. Step 4: Simplify right side
    7,432.36x = 24,959,985.32
  5. Step 5: Solve for x
    x = 24,959,985.32/7,432.36
  6. Step 6: Final answer
    x = 3,358.29

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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.