Home / 8,762.57-12,092.34-5,618.75

Finding the Fourth Proportional to 8,762.57, 12,092.34 and 5,618.75

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Solution

The fourth proportional to 8,762.57, 12,092.34 and 5,618.75 is: 7,753.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762.57 : 12,092.34 = 5,618.75 : x
  2. Step 2: Convert to fraction form
    8,762.57/12,092.34 = 5,618.75/x
  3. Step 3: Cross multiply
    8,762.57x = 12,092.34 × 5,618.75
  4. Step 4: Simplify right side
    8,762.57x = 67,943,807.28
  5. Step 5: Solve for x
    x = 67,943,807.28/8,762.57
  6. Step 6: Final answer
    x = 7,753.87

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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.