Home / 12,882.58-19,323.24-4,117.12

Finding the Fourth Proportional to 12,882.58, 19,323.24 and 4,117.12

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Solution

The fourth proportional to 12,882.58, 19,323.24 and 4,117.12 is: 6,175.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882.58 : 19,323.24 = 4,117.12 : x
  2. Step 2: Convert to fraction form
    12,882.58/19,323.24 = 4,117.12/x
  3. Step 3: Cross multiply
    12,882.58x = 19,323.24 × 4,117.12
  4. Step 4: Simplify right side
    12,882.58x = 79,556,097.87
  5. Step 5: Solve for x
    x = 79,556,097.87/12,882.58
  6. Step 6: Final answer
    x = 6,175.48

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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.