Home / 8,271.25-11,414.33-4,545.25

Finding the Fourth Proportional to 8,271.25, 11,414.33 and 4,545.25

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Solution

The fourth proportional to 8,271.25, 11,414.33 and 4,545.25 is: 6,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.25 : 11,414.33 = 4,545.25 : x
  2. Step 2: Convert to fraction form
    8,271.25/11,414.33 = 4,545.25/x
  3. Step 3: Cross multiply
    8,271.25x = 11,414.33 × 4,545.25
  4. Step 4: Simplify right side
    8,271.25x = 51,880,983.43
  5. Step 5: Solve for x
    x = 51,880,983.43/8,271.25
  6. Step 6: Final answer
    x = 6,272.45

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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.