Home / 7,489.47-10,334.90-4,132.41

Finding the Fourth Proportional to 7,489.47, 10,334.90 and 4,132.41

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Solution

The fourth proportional to 7,489.47, 10,334.90 and 4,132.41 is: 5,702.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.47 : 10,334.90 = 4,132.41 : x
  2. Step 2: Convert to fraction form
    7,489.47/10,334.90 = 4,132.41/x
  3. Step 3: Cross multiply
    7,489.47x = 10,334.90 × 4,132.41
  4. Step 4: Simplify right side
    7,489.47x = 42,708,023.45
  5. Step 5: Solve for x
    x = 42,708,023.45/7,489.47
  6. Step 6: Final answer
    x = 5,702.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.