Home / 12,117.41-18,176.13-3,798.09

Finding the Fourth Proportional to 12,117.41, 18,176.13 and 3,798.09

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Solution

The fourth proportional to 12,117.41, 18,176.13 and 3,798.09 is: 5,697.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117.41 : 18,176.13 = 3,798.09 : x
  2. Step 2: Convert to fraction form
    12,117.41/18,176.13 = 3,798.09/x
  3. Step 3: Cross multiply
    12,117.41x = 18,176.13 × 3,798.09
  4. Step 4: Simplify right side
    12,117.41x = 69,034,467.72
  5. Step 5: Solve for x
    x = 69,034,467.72/12,117.41
  6. Step 6: Final answer
    x = 5,697.13

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Half scale
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Double scale
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Similar ratio
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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.