Home / 6,117.90-9,176.85-3,197.10

Finding the Fourth Proportional to 6,117.90, 9,176.85 and 3,197.10

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Solution

The fourth proportional to 6,117.90, 9,176.85 and 3,197.10 is: 4,795.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.90 : 9,176.85 = 3,197.10 : x
  2. Step 2: Convert to fraction form
    6,117.90/9,176.85 = 3,197.10/x
  3. Step 3: Cross multiply
    6,117.90x = 9,176.85 × 3,197.10
  4. Step 4: Simplify right side
    6,117.90x = 29,339,307.14
  5. Step 5: Solve for x
    x = 29,339,307.14/6,117.90
  6. Step 6: Final answer
    x = 4,795.65

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Half scale
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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.