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Finding the Fourth Proportional to 10,001.90, 13,806.51 and 8,952.14

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Solution

The fourth proportional to 10,001.90, 13,806.51 and 8,952.14 is: 12,357.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.90 : 13,806.51 = 8,952.14 : x
  2. Step 2: Convert to fraction form
    10,001.90/13,806.51 = 8,952.14/x
  3. Step 3: Cross multiply
    10,001.90x = 13,806.51 × 8,952.14
  4. Step 4: Simplify right side
    10,001.90x = 123,597,810.43
  5. Step 5: Solve for x
    x = 123,597,810.43/10,001.90
  6. Step 6: Final answer
    x = 12,357.43

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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.