Home / 7,966.28-11,947.82-7,571.10

Finding the Fourth Proportional to 7,966.28, 11,947.82 and 7,571.10

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Solution

The fourth proportional to 7,966.28, 11,947.82 and 7,571.10 is: 11,355.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.28 : 11,947.82 = 7,571.10 : x
  2. Step 2: Convert to fraction form
    7,966.28/11,947.82 = 7,571.10/x
  3. Step 3: Cross multiply
    7,966.28x = 11,947.82 × 7,571.10
  4. Step 4: Simplify right side
    7,966.28x = 90,458,102.15
  5. Step 5: Solve for x
    x = 90,458,102.15/7,966.28
  6. Step 6: Final answer
    x = 11,355.13

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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.