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Finding the Fourth Proportional to 8,363.33, 11,534.72 and 7,108.53

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Solution

The fourth proportional to 8,363.33, 11,534.72 and 7,108.53 is: 9,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.33 : 11,534.72 = 7,108.53 : x
  2. Step 2: Convert to fraction form
    8,363.33/11,534.72 = 7,108.53/x
  3. Step 3: Cross multiply
    8,363.33x = 11,534.72 × 7,108.53
  4. Step 4: Simplify right side
    8,363.33x = 81,994,903.16
  5. Step 5: Solve for x
    x = 81,994,903.16/8,363.33
  6. Step 6: Final answer
    x = 9,804.10

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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.