Home / 8,275.40-11,419.72-4,498.52

Finding the Fourth Proportional to 8,275.40, 11,419.72 and 4,498.52

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Solution

The fourth proportional to 8,275.40, 11,419.72 and 4,498.52 is: 6,207.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.40 : 11,419.72 = 4,498.52 : x
  2. Step 2: Convert to fraction form
    8,275.40/11,419.72 = 4,498.52/x
  3. Step 3: Cross multiply
    8,275.40x = 11,419.72 × 4,498.52
  4. Step 4: Simplify right side
    8,275.40x = 51,371,856.12
  5. Step 5: Solve for x
    x = 51,371,856.12/8,275.40
  6. Step 6: Final answer
    x = 6,207.78

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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.