Home / 12,251.54-16,902.06-8,001.13

Finding the Fourth Proportional to 12,251.54, 16,902.06 and 8,001.13

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Solution

The fourth proportional to 12,251.54, 16,902.06 and 8,001.13 is: 11,038.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.54 : 16,902.06 = 8,001.13 : x
  2. Step 2: Convert to fraction form
    12,251.54/16,902.06 = 8,001.13/x
  3. Step 3: Cross multiply
    12,251.54x = 16,902.06 × 8,001.13
  4. Step 4: Simplify right side
    12,251.54x = 135,235,579.33
  5. Step 5: Solve for x
    x = 135,235,579.33/12,251.54
  6. Step 6: Final answer
    x = 11,038.25

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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.