Home / 12,198.60-18,276.28-5,610.96

Finding the Fourth Proportional to 12,198.60, 18,276.28 and 5,610.96

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Solution

The fourth proportional to 12,198.60, 18,276.28 and 5,610.96 is: 8,406.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.60 : 18,276.28 = 5,610.96 : x
  2. Step 2: Convert to fraction form
    12,198.60/18,276.28 = 5,610.96/x
  3. Step 3: Cross multiply
    12,198.60x = 18,276.28 × 5,610.96
  4. Step 4: Simplify right side
    12,198.60x = 102,547,476.03
  5. Step 5: Solve for x
    x = 102,547,476.03/12,198.60
  6. Step 6: Final answer
    x = 8,406.50

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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.