Home / 11,254.48-16,870.10-3,856.95

Finding the Fourth Proportional to 11,254.48, 16,870.10 and 3,856.95

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Solution

The fourth proportional to 11,254.48, 16,870.10 and 3,856.95 is: 5,781.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.48 : 16,870.10 = 3,856.95 : x
  2. Step 2: Convert to fraction form
    11,254.48/16,870.10 = 3,856.95/x
  3. Step 3: Cross multiply
    11,254.48x = 16,870.10 × 3,856.95
  4. Step 4: Simplify right side
    11,254.48x = 65,067,132.20
  5. Step 5: Solve for x
    x = 65,067,132.20/11,254.48
  6. Step 6: Final answer
    x = 5,781.44

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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.