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Finding the Fourth Proportional to 8,108.68, 11,192.10 and 5,283.10

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Solution

The fourth proportional to 8,108.68, 11,192.10 and 5,283.10 is: 7,292.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.68 : 11,192.10 = 5,283.10 : x
  2. Step 2: Convert to fraction form
    8,108.68/11,192.10 = 5,283.10/x
  3. Step 3: Cross multiply
    8,108.68x = 11,192.10 × 5,283.10
  4. Step 4: Simplify right side
    8,108.68x = 59,128,983.51
  5. Step 5: Solve for x
    x = 59,128,983.51/8,108.68
  6. Step 6: Final answer
    x = 7,292.06

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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.