Home / 12,483.18-17,218.44-9,074.46

Finding the Fourth Proportional to 12,483.18, 17,218.44 and 9,074.46

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Solution

The fourth proportional to 12,483.18, 17,218.44 and 9,074.46 is: 12,516.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483.18 : 17,218.44 = 9,074.46 : x
  2. Step 2: Convert to fraction form
    12,483.18/17,218.44 = 9,074.46/x
  3. Step 3: Cross multiply
    12,483.18x = 17,218.44 × 9,074.46
  4. Step 4: Simplify right side
    12,483.18x = 156,248,045.04
  5. Step 5: Solve for x
    x = 156,248,045.04/12,483.18
  6. Step 6: Final answer
    x = 12,516.69

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Similar ratio
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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.