Home / 11,412.50-15,748.49-6,376.46

Finding the Fourth Proportional to 11,412.50, 15,748.49 and 6,376.46

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Solution

The fourth proportional to 11,412.50, 15,748.49 and 6,376.46 is: 8,799.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.50 : 15,748.49 = 6,376.46 : x
  2. Step 2: Convert to fraction form
    11,412.50/15,748.49 = 6,376.46/x
  3. Step 3: Cross multiply
    11,412.50x = 15,748.49 × 6,376.46
  4. Step 4: Simplify right side
    11,412.50x = 100,419,505.92
  5. Step 5: Solve for x
    x = 100,419,505.92/11,412.50
  6. Step 6: Final answer
    x = 8,799.08

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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.