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Finding the Fourth Proportional to 8,349.98, 11,534.79 and 7,304.31

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Solution

The fourth proportional to 8,349.98, 11,534.79 and 7,304.31 is: 10,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.98 : 11,534.79 = 7,304.31 : x
  2. Step 2: Convert to fraction form
    8,349.98/11,534.79 = 7,304.31/x
  3. Step 3: Cross multiply
    8,349.98x = 11,534.79 × 7,304.31
  4. Step 4: Simplify right side
    8,349.98x = 84,253,681.94
  5. Step 5: Solve for x
    x = 84,253,681.94/8,349.98
  6. Step 6: Final answer
    x = 10,090.29

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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.