Home / 12,098.97-18,139.98-6,177.67

Finding the Fourth Proportional to 12,098.97, 18,139.98 and 6,177.67

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Solution

The fourth proportional to 12,098.97, 18,139.98 and 6,177.67 is: 9,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098.97 : 18,139.98 = 6,177.67 : x
  2. Step 2: Convert to fraction form
    12,098.97/18,139.98 = 6,177.67/x
  3. Step 3: Cross multiply
    12,098.97x = 18,139.98 × 6,177.67
  4. Step 4: Simplify right side
    12,098.97x = 112,062,788.06
  5. Step 5: Solve for x
    x = 112,062,788.06/12,098.97
  6. Step 6: Final answer
    x = 9,262.18

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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.