Home / 6,113.20-9,169.80-5,748.70

Finding the Fourth Proportional to 6,113.20, 9,169.80 and 5,748.70

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Solution

The fourth proportional to 6,113.20, 9,169.80 and 5,748.70 is: 8,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.20 : 9,169.80 = 5,748.70 : x
  2. Step 2: Convert to fraction form
    6,113.20/9,169.80 = 5,748.70/x
  3. Step 3: Cross multiply
    6,113.20x = 9,169.80 × 5,748.70
  4. Step 4: Simplify right side
    6,113.20x = 52,714,429.26
  5. Step 5: Solve for x
    x = 52,714,429.26/6,113.20
  6. Step 6: Final answer
    x = 8,623.05

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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.