Home / 7,432.40-11,148.60-3,325.52

Finding the Fourth Proportional to 7,432.40, 11,148.60 and 3,325.52

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Solution

The fourth proportional to 7,432.40, 11,148.60 and 3,325.52 is: 4,988.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.40 : 11,148.60 = 3,325.52 : x
  2. Step 2: Convert to fraction form
    7,432.40/11,148.60 = 3,325.52/x
  3. Step 3: Cross multiply
    7,432.40x = 11,148.60 × 3,325.52
  4. Step 4: Simplify right side
    7,432.40x = 37,074,892.27
  5. Step 5: Solve for x
    x = 37,074,892.27/7,432.40
  6. Step 6: Final answer
    x = 4,988.28

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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.