Home / 7,654.28-11,474.66-3,272.18

Finding the Fourth Proportional to 7,654.28, 11,474.66 and 3,272.18

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Solution

The fourth proportional to 7,654.28, 11,474.66 and 3,272.18 is: 4,905.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.28 : 11,474.66 = 3,272.18 : x
  2. Step 2: Convert to fraction form
    7,654.28/11,474.66 = 3,272.18/x
  3. Step 3: Cross multiply
    7,654.28x = 11,474.66 × 3,272.18
  4. Step 4: Simplify right side
    7,654.28x = 37,547,152.96
  5. Step 5: Solve for x
    x = 37,547,152.96/7,654.28
  6. Step 6: Final answer
    x = 4,905.38

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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.