Home / 7,432.31-11,136.60-5,448.76

Finding the Fourth Proportional to 7,432.31, 11,136.60 and 5,448.76

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Solution

The fourth proportional to 7,432.31, 11,136.60 and 5,448.76 is: 8,164.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.31 : 11,136.60 = 5,448.76 : x
  2. Step 2: Convert to fraction form
    7,432.31/11,136.60 = 5,448.76/x
  3. Step 3: Cross multiply
    7,432.31x = 11,136.60 × 5,448.76
  4. Step 4: Simplify right side
    7,432.31x = 60,680,632.77
  5. Step 5: Solve for x
    x = 60,680,632.77/7,432.31
  6. Step 6: Final answer
    x = 8,164.44

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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.