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Finding the Fourth Proportional to 9,697.14, 13,352.04 and 7,581.24

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Solution

The fourth proportional to 9,697.14, 13,352.04 and 7,581.24 is: 10,438.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,697.14 : 13,352.04 = 7,581.24 : x
  2. Step 2: Convert to fraction form
    9,697.14/13,352.04 = 7,581.24/x
  3. Step 3: Cross multiply
    9,697.14x = 13,352.04 × 7,581.24
  4. Step 4: Simplify right side
    9,697.14x = 101,225,019.73
  5. Step 5: Solve for x
    x = 101,225,019.73/9,697.14
  6. Step 6: Final answer
    x = 10,438.65

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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.