Home / 6,517.18-9,776.52-1,900.18

Finding the Fourth Proportional to 6,517.18, 9,776.52 and 1,900.18

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Solution

The fourth proportional to 6,517.18, 9,776.52 and 1,900.18 is: 2,850.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.18 : 9,776.52 = 1,900.18 : x
  2. Step 2: Convert to fraction form
    6,517.18/9,776.52 = 1,900.18/x
  3. Step 3: Cross multiply
    6,517.18x = 9,776.52 × 1,900.18
  4. Step 4: Simplify right side
    6,517.18x = 18,577,147.77
  5. Step 5: Solve for x
    x = 18,577,147.77/6,517.18
  6. Step 6: Final answer
    x = 2,850.49

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Half scale
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Double scale
Find fourth proportional to 6,518.18, 9,778.02 and 1,901.18
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.