Home / 7,932.87-10,947.02-4,788.45

Finding the Fourth Proportional to 7,932.87, 10,947.02 and 4,788.45

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Solution

The fourth proportional to 7,932.87, 10,947.02 and 4,788.45 is: 6,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.87 : 10,947.02 = 4,788.45 : x
  2. Step 2: Convert to fraction form
    7,932.87/10,947.02 = 4,788.45/x
  3. Step 3: Cross multiply
    7,932.87x = 10,947.02 × 4,788.45
  4. Step 4: Simplify right side
    7,932.87x = 52,419,233.98
  5. Step 5: Solve for x
    x = 52,419,233.98/7,932.87
  6. Step 6: Final answer
    x = 6,607.85

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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.