Home / 7,932.60-10,947.12-4,790.60

Finding the Fourth Proportional to 7,932.60, 10,947.12 and 4,790.60

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Solution

The fourth proportional to 7,932.60, 10,947.12 and 4,790.60 is: 6,611.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.60 : 10,947.12 = 4,790.60 : x
  2. Step 2: Convert to fraction form
    7,932.60/10,947.12 = 4,790.60/x
  3. Step 3: Cross multiply
    7,932.60x = 10,947.12 × 4,790.60
  4. Step 4: Simplify right side
    7,932.60x = 52,443,273.07
  5. Step 5: Solve for x
    x = 52,443,273.07/7,932.60
  6. Step 6: Final answer
    x = 6,611.11

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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.