Home / 6,528.10-9,792.15-3,947.44

Finding the Fourth Proportional to 6,528.10, 9,792.15 and 3,947.44

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Solution

The fourth proportional to 6,528.10, 9,792.15 and 3,947.44 is: 5,921.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.10 : 9,792.15 = 3,947.44 : x
  2. Step 2: Convert to fraction form
    6,528.10/9,792.15 = 3,947.44/x
  3. Step 3: Cross multiply
    6,528.10x = 9,792.15 × 3,947.44
  4. Step 4: Simplify right side
    6,528.10x = 38,653,855.90
  5. Step 5: Solve for x
    x = 38,653,855.90/6,528.10
  6. Step 6: Final answer
    x = 5,921.15

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Double scale
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Similar ratio
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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.