Home / 9,099.80-13,649.66-3,553.71

Finding the Fourth Proportional to 9,099.80, 13,649.66 and 3,553.71

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Solution

The fourth proportional to 9,099.80, 13,649.66 and 3,553.71 is: 5,330.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099.80 : 13,649.66 = 3,553.71 : x
  2. Step 2: Convert to fraction form
    9,099.80/13,649.66 = 3,553.71/x
  3. Step 3: Cross multiply
    9,099.80x = 13,649.66 × 3,553.71
  4. Step 4: Simplify right side
    9,099.80x = 48,506,915.47
  5. Step 5: Solve for x
    x = 48,506,915.47/9,099.80
  6. Step 6: Final answer
    x = 5,330.55

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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.