Home / 7,074.20-10,611.30-4,117.70

Finding the Fourth Proportional to 7,074.20, 10,611.30 and 4,117.70

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Solution

The fourth proportional to 7,074.20, 10,611.30 and 4,117.70 is: 6,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074.20 : 10,611.30 = 4,117.70 : x
  2. Step 2: Convert to fraction form
    7,074.20/10,611.30 = 4,117.70/x
  3. Step 3: Cross multiply
    7,074.20x = 10,611.30 × 4,117.70
  4. Step 4: Simplify right side
    7,074.20x = 43,694,150.01
  5. Step 5: Solve for x
    x = 43,694,150.01/7,074.20
  6. Step 6: Final answer
    x = 6,176.55

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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.