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Finding the Fourth Proportional to 9,111.43, 13,667.15 and 7,034.46

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Solution

The fourth proportional to 9,111.43, 13,667.15 and 7,034.46 is: 10,551.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111.43 : 13,667.15 = 7,034.46 : x
  2. Step 2: Convert to fraction form
    9,111.43/13,667.15 = 7,034.46/x
  3. Step 3: Cross multiply
    9,111.43x = 13,667.15 × 7,034.46
  4. Step 4: Simplify right side
    9,111.43x = 96,140,984.82
  5. Step 5: Solve for x
    x = 96,140,984.82/9,111.43
  6. Step 6: Final answer
    x = 10,551.69

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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.