Home / 7,451.11-11,170.18-4,165.75

Finding the Fourth Proportional to 7,451.11, 11,170.18 and 4,165.75

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Solution

The fourth proportional to 7,451.11, 11,170.18 and 4,165.75 is: 6,245.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.11 : 11,170.18 = 4,165.75 : x
  2. Step 2: Convert to fraction form
    7,451.11/11,170.18 = 4,165.75/x
  3. Step 3: Cross multiply
    7,451.11x = 11,170.18 × 4,165.75
  4. Step 4: Simplify right side
    7,451.11x = 46,532,177.34
  5. Step 5: Solve for x
    x = 46,532,177.34/7,451.11
  6. Step 6: Final answer
    x = 6,245.00

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Half scale
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Double scale
Find fourth proportional to 7,452.11, 11,171.68 and 4,166.75
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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.