Home / 11,634.54-16,061.60-7,877.56

Finding the Fourth Proportional to 11,634.54, 16,061.60 and 7,877.56

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Solution

The fourth proportional to 11,634.54, 16,061.60 and 7,877.56 is: 10,875.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,634.54 : 16,061.60 = 7,877.56 : x
  2. Step 2: Convert to fraction form
    11,634.54/16,061.60 = 7,877.56/x
  3. Step 3: Cross multiply
    11,634.54x = 16,061.60 × 7,877.56
  4. Step 4: Simplify right side
    11,634.54x = 126,526,217.70
  5. Step 5: Solve for x
    x = 126,526,217.70/11,634.54
  6. Step 6: Final answer
    x = 10,875.05

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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.