Home / 11,205.38-15,462.84-6,170.04

Finding the Fourth Proportional to 11,205.38, 15,462.84 and 6,170.04

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Solution

The fourth proportional to 11,205.38, 15,462.84 and 6,170.04 is: 8,514.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.38 : 15,462.84 = 6,170.04 : x
  2. Step 2: Convert to fraction form
    11,205.38/15,462.84 = 6,170.04/x
  3. Step 3: Cross multiply
    11,205.38x = 15,462.84 × 6,170.04
  4. Step 4: Simplify right side
    11,205.38x = 95,406,341.31
  5. Step 5: Solve for x
    x = 95,406,341.31/11,205.38
  6. Step 6: Final answer
    x = 8,514.33

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Half scale
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Double 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.