Home / 12,182.19-16,808.49-8,404.14

Finding the Fourth Proportional to 12,182.19, 16,808.49 and 8,404.14

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Solution

The fourth proportional to 12,182.19, 16,808.49 and 8,404.14 is: 11,595.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.19 : 16,808.49 = 8,404.14 : x
  2. Step 2: Convert to fraction form
    12,182.19/16,808.49 = 8,404.14/x
  3. Step 3: Cross multiply
    12,182.19x = 16,808.49 × 8,404.14
  4. Step 4: Simplify right side
    12,182.19x = 141,260,903.15
  5. Step 5: Solve for x
    x = 141,260,903.15/12,182.19
  6. Step 6: Final answer
    x = 11,595.69

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.