Home / 10,862.22-16,267.77-5,298.11

Finding the Fourth Proportional to 10,862.22, 16,267.77 and 5,298.11

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Solution

The fourth proportional to 10,862.22, 16,267.77 and 5,298.11 is: 7,934.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.22 : 16,267.77 = 5,298.11 : x
  2. Step 2: Convert to fraction form
    10,862.22/16,267.77 = 5,298.11/x
  3. Step 3: Cross multiply
    10,862.22x = 16,267.77 × 5,298.11
  4. Step 4: Simplify right side
    10,862.22x = 86,188,353.58
  5. Step 5: Solve for x
    x = 86,188,353.58/10,862.22
  6. Step 6: Final answer
    x = 7,934.69

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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.