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Finding the Fourth Proportional to 11,009.56, 15,187.62 and 7,026.52

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Solution

The fourth proportional to 11,009.56, 15,187.62 and 7,026.52 is: 9,693.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.56 : 15,187.62 = 7,026.52 : x
  2. Step 2: Convert to fraction form
    11,009.56/15,187.62 = 7,026.52/x
  3. Step 3: Cross multiply
    11,009.56x = 15,187.62 × 7,026.52
  4. Step 4: Simplify right side
    11,009.56x = 106,716,115.68
  5. Step 5: Solve for x
    x = 106,716,115.68/11,009.56
  6. Step 6: Final answer
    x = 9,693.04

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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.