Home / 8,258.30-11,398.19-5,273.62

Finding the Fourth Proportional to 8,258.30, 11,398.19 and 5,273.62

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Solution

The fourth proportional to 8,258.30, 11,398.19 and 5,273.62 is: 7,278.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258.30 : 11,398.19 = 5,273.62 : x
  2. Step 2: Convert to fraction form
    8,258.30/11,398.19 = 5,273.62/x
  3. Step 3: Cross multiply
    8,258.30x = 11,398.19 × 5,273.62
  4. Step 4: Simplify right side
    8,258.30x = 60,109,722.75
  5. Step 5: Solve for x
    x = 60,109,722.75/8,258.30
  6. Step 6: Final answer
    x = 7,278.70

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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.