Home / 6,768.12-9,337.20-4,115.10

Finding the Fourth Proportional to 6,768.12, 9,337.20 and 4,115.10

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Solution

The fourth proportional to 6,768.12, 9,337.20 and 4,115.10 is: 5,677.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.12 : 9,337.20 = 4,115.10 : x
  2. Step 2: Convert to fraction form
    6,768.12/9,337.20 = 4,115.10/x
  3. Step 3: Cross multiply
    6,768.12x = 9,337.20 × 4,115.10
  4. Step 4: Simplify right side
    6,768.12x = 38,423,511.72
  5. Step 5: Solve for x
    x = 38,423,511.72/6,768.12
  6. Step 6: Final answer
    x = 5,677.13

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Half scale
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Double scale
Find fourth proportional to 6,769.12, 9,338.58 and 4,116.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.