Home / 6,191.10-9,286.65-5,510.70

Finding the Fourth Proportional to 6,191.10, 9,286.65 and 5,510.70

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Solution

The fourth proportional to 6,191.10, 9,286.65 and 5,510.70 is: 8,266.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.10 : 9,286.65 = 5,510.70 : x
  2. Step 2: Convert to fraction form
    6,191.10/9,286.65 = 5,510.70/x
  3. Step 3: Cross multiply
    6,191.10x = 9,286.65 × 5,510.70
  4. Step 4: Simplify right side
    6,191.10x = 51,175,942.16
  5. Step 5: Solve for x
    x = 51,175,942.16/6,191.10
  6. Step 6: Final answer
    x = 8,266.05

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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.