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Finding the Fourth Proportional to 8,593.16, 11,857.38 and 5,055.80

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Solution

The fourth proportional to 8,593.16, 11,857.38 and 5,055.80 is: 6,976.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.16 : 11,857.38 = 5,055.80 : x
  2. Step 2: Convert to fraction form
    8,593.16/11,857.38 = 5,055.80/x
  3. Step 3: Cross multiply
    8,593.16x = 11,857.38 × 5,055.80
  4. Step 4: Simplify right side
    8,593.16x = 59,948,541.80
  5. Step 5: Solve for x
    x = 59,948,541.80/8,593.16
  6. Step 6: Final answer
    x = 6,976.31

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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.