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Finding the Fourth Proportional to 11,398.92, 17,010.03 and 10,086.72

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Solution

The fourth proportional to 11,398.92, 17,010.03 and 10,086.72 is: 15,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,398.92 : 17,010.03 = 10,086.72 : x
  2. Step 2: Convert to fraction form
    11,398.92/17,010.03 = 10,086.72/x
  3. Step 3: Cross multiply
    11,398.92x = 17,010.03 × 10,086.72
  4. Step 4: Simplify right side
    11,398.92x = 171,575,409.80
  5. Step 5: Solve for x
    x = 171,575,409.80/11,398.92
  6. Step 6: Final answer
    x = 15,051.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.