Home / 9,180.60-12,669.48-5,201.52

Finding the Fourth Proportional to 9,180.60, 12,669.48 and 5,201.52

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Solution

The fourth proportional to 9,180.60, 12,669.48 and 5,201.52 is: 7,178.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.60 : 12,669.48 = 5,201.52 : x
  2. Step 2: Convert to fraction form
    9,180.60/12,669.48 = 5,201.52/x
  3. Step 3: Cross multiply
    9,180.60x = 12,669.48 × 5,201.52
  4. Step 4: Simplify right side
    9,180.60x = 65,900,553.61
  5. Step 5: Solve for x
    x = 65,900,553.61/9,180.60
  6. Step 6: Final answer
    x = 7,178.24

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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.