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Finding the Fourth Proportional to 9,074.36, 13,598.76 and 7,217.24

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Solution

The fourth proportional to 9,074.36, 13,598.76 and 7,217.24 is: 10,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,074.36 : 13,598.76 = 7,217.24 : x
  2. Step 2: Convert to fraction form
    9,074.36/13,598.76 = 7,217.24/x
  3. Step 3: Cross multiply
    9,074.36x = 13,598.76 × 7,217.24
  4. Step 4: Simplify right side
    9,074.36x = 98,145,514.62
  5. Step 5: Solve for x
    x = 98,145,514.62/9,074.36
  6. Step 6: Final answer
    x = 10,815.70

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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.