Home / 10,342.33-15,512.02-3,321.44

Finding the Fourth Proportional to 10,342.33, 15,512.02 and 3,321.44

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Solution

The fourth proportional to 10,342.33, 15,512.02 and 3,321.44 is: 4,981.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.33 : 15,512.02 = 3,321.44 : x
  2. Step 2: Convert to fraction form
    10,342.33/15,512.02 = 3,321.44/x
  3. Step 3: Cross multiply
    10,342.33x = 15,512.02 × 3,321.44
  4. Step 4: Simplify right side
    10,342.33x = 51,522,243.71
  5. Step 5: Solve for x
    x = 51,522,243.71/10,342.33
  6. Step 6: Final answer
    x = 4,981.69

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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.