Home / 10,118.22-15,177.34-3,098.20

Finding the Fourth Proportional to 10,118.22, 15,177.34 and 3,098.20

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Solution

The fourth proportional to 10,118.22, 15,177.34 and 3,098.20 is: 4,647.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.22 : 15,177.34 = 3,098.20 : x
  2. Step 2: Convert to fraction form
    10,118.22/15,177.34 = 3,098.20/x
  3. Step 3: Cross multiply
    10,118.22x = 15,177.34 × 3,098.20
  4. Step 4: Simplify right side
    10,118.22x = 47,022,429.17
  5. Step 5: Solve for x
    x = 47,022,429.17/10,118.22
  6. Step 6: Final answer
    x = 4,647.30

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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.