Home / 12,731.39-19,098.11-4,837.69

Finding the Fourth Proportional to 12,731.39, 19,098.11 and 4,837.69

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Solution

The fourth proportional to 12,731.39, 19,098.11 and 4,837.69 is: 7,256.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731.39 : 19,098.11 = 4,837.69 : x
  2. Step 2: Convert to fraction form
    12,731.39/19,098.11 = 4,837.69/x
  3. Step 3: Cross multiply
    12,731.39x = 19,098.11 × 4,837.69
  4. Step 4: Simplify right side
    12,731.39x = 92,390,640.28
  5. Step 5: Solve for x
    x = 92,390,640.28/12,731.39
  6. Step 6: Final answer
    x = 7,256.92

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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.