Home / 7,968.88-11,947.40-5,496.66

Finding the Fourth Proportional to 7,968.88, 11,947.40 and 5,496.66

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Solution

The fourth proportional to 7,968.88, 11,947.40 and 5,496.66 is: 8,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.88 : 11,947.40 = 5,496.66 : x
  2. Step 2: Convert to fraction form
    7,968.88/11,947.40 = 5,496.66/x
  3. Step 3: Cross multiply
    7,968.88x = 11,947.40 × 5,496.66
  4. Step 4: Simplify right side
    7,968.88x = 65,670,788.81
  5. Step 5: Solve for x
    x = 65,670,788.81/7,968.88
  6. Step 6: Final answer
    x = 8,240.90

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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.