Home / 7,335.28-10,990.56-4,732.72

Finding the Fourth Proportional to 7,335.28, 10,990.56 and 4,732.72

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Solution

The fourth proportional to 7,335.28, 10,990.56 and 4,732.72 is: 7,091.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.28 : 10,990.56 = 4,732.72 : x
  2. Step 2: Convert to fraction form
    7,335.28/10,990.56 = 4,732.72/x
  3. Step 3: Cross multiply
    7,335.28x = 10,990.56 × 4,732.72
  4. Step 4: Simplify right side
    7,335.28x = 52,015,243.12
  5. Step 5: Solve for x
    x = 52,015,243.12/7,335.28
  6. Step 6: Final answer
    x = 7,091.11

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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.