Home / 6,988.50-10,482.75-1,794.38

Finding the Fourth Proportional to 6,988.50, 10,482.75 and 1,794.38

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Solution

The fourth proportional to 6,988.50, 10,482.75 and 1,794.38 is: 2,691.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.50 : 10,482.75 = 1,794.38 : x
  2. Step 2: Convert to fraction form
    6,988.50/10,482.75 = 1,794.38/x
  3. Step 3: Cross multiply
    6,988.50x = 10,482.75 × 1,794.38
  4. Step 4: Simplify right side
    6,988.50x = 18,809,984.53
  5. Step 5: Solve for x
    x = 18,809,984.53/6,988.50
  6. Step 6: Final answer
    x = 2,691.56

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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.