Home / 7,505.60-11,258.40-1,959.12

Finding the Fourth Proportional to 7,505.60, 11,258.40 and 1,959.12

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Solution

The fourth proportional to 7,505.60, 11,258.40 and 1,959.12 is: 2,938.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.60 : 11,258.40 = 1,959.12 : x
  2. Step 2: Convert to fraction form
    7,505.60/11,258.40 = 1,959.12/x
  3. Step 3: Cross multiply
    7,505.60x = 11,258.40 × 1,959.12
  4. Step 4: Simplify right side
    7,505.60x = 22,056,556.61
  5. Step 5: Solve for x
    x = 22,056,556.61/7,505.60
  6. Step 6: Final answer
    x = 2,938.68

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Similar ratio
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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.