Home / 11,449.60-17,174.40-4,880.52

Finding the Fourth Proportional to 11,449.60, 17,174.40 and 4,880.52

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Solution

The fourth proportional to 11,449.60, 17,174.40 and 4,880.52 is: 7,320.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.60 : 17,174.40 = 4,880.52 : x
  2. Step 2: Convert to fraction form
    11,449.60/17,174.40 = 4,880.52/x
  3. Step 3: Cross multiply
    11,449.60x = 17,174.40 × 4,880.52
  4. Step 4: Simplify right side
    11,449.60x = 83,820,002.69
  5. Step 5: Solve for x
    x = 83,820,002.69/11,449.60
  6. Step 6: Final answer
    x = 7,320.78

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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.