Home / 8,275.19-11,419.98-4,498.61

Finding the Fourth Proportional to 8,275.19, 11,419.98 and 4,498.61

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Solution

The fourth proportional to 8,275.19, 11,419.98 and 4,498.61 is: 6,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.19 : 11,419.98 = 4,498.61 : x
  2. Step 2: Convert to fraction form
    8,275.19/11,419.98 = 4,498.61/x
  3. Step 3: Cross multiply
    8,275.19x = 11,419.98 × 4,498.61
  4. Step 4: Simplify right side
    8,275.19x = 51,374,021.95
  5. Step 5: Solve for x
    x = 51,374,021.95/8,275.19
  6. Step 6: Final answer
    x = 6,208.20

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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.