Home / 8,850.75-12,215.25-5,706.33

Finding the Fourth Proportional to 8,850.75, 12,215.25 and 5,706.33

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Solution

The fourth proportional to 8,850.75, 12,215.25 and 5,706.33 is: 7,875.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,850.75 : 12,215.25 = 5,706.33 : x
  2. Step 2: Convert to fraction form
    8,850.75/12,215.25 = 5,706.33/x
  3. Step 3: Cross multiply
    8,850.75x = 12,215.25 × 5,706.33
  4. Step 4: Simplify right side
    8,850.75x = 69,704,247.53
  5. Step 5: Solve for x
    x = 69,704,247.53/8,850.75
  6. Step 6: Final answer
    x = 7,875.52

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Half scale
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Double scale
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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.