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Finding the Fourth Proportional to 10,239.33, 15,359.10 and 6,751.68

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Solution

The fourth proportional to 10,239.33, 15,359.10 and 6,751.68 is: 10,127.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.33 : 15,359.10 = 6,751.68 : x
  2. Step 2: Convert to fraction form
    10,239.33/15,359.10 = 6,751.68/x
  3. Step 3: Cross multiply
    10,239.33x = 15,359.10 × 6,751.68
  4. Step 4: Simplify right side
    10,239.33x = 103,699,728.29
  5. Step 5: Solve for x
    x = 103,699,728.29/10,239.33
  6. Step 6: Final answer
    x = 10,127.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.