Home / 12,884.31-19,327.68-4,117.14

Finding the Fourth Proportional to 12,884.31, 19,327.68 and 4,117.14

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Solution

The fourth proportional to 12,884.31, 19,327.68 and 4,117.14 is: 6,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884.31 : 19,327.68 = 4,117.14 : x
  2. Step 2: Convert to fraction form
    12,884.31/19,327.68 = 4,117.14/x
  3. Step 3: Cross multiply
    12,884.31x = 19,327.68 × 4,117.14
  4. Step 4: Simplify right side
    12,884.31x = 79,574,764.44
  5. Step 5: Solve for x
    x = 79,574,764.44/12,884.31
  6. Step 6: Final answer
    x = 6,176.10

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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.