Home / 6,516.28-8,992.69-3,683.75

Finding the Fourth Proportional to 6,516.28, 8,992.69 and 3,683.75

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Solution

The fourth proportional to 6,516.28, 8,992.69 and 3,683.75 is: 5,083.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.28 : 8,992.69 = 3,683.75 : x
  2. Step 2: Convert to fraction form
    6,516.28/8,992.69 = 3,683.75/x
  3. Step 3: Cross multiply
    6,516.28x = 8,992.69 × 3,683.75
  4. Step 4: Simplify right side
    6,516.28x = 33,126,767.61
  5. Step 5: Solve for x
    x = 33,126,767.61/6,516.28
  6. Step 6: Final answer
    x = 5,083.69

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Half scale
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Double scale
Find fourth proportional to 6,517.28, 8,994.07 and 3,684.75
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.