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Finding the Fourth Proportional to 7,435.34, 11,154.89 and 5,248.34

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Solution

The fourth proportional to 7,435.34, 11,154.89 and 5,248.34 is: 7,873.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.34 : 11,154.89 = 5,248.34 : x
  2. Step 2: Convert to fraction form
    7,435.34/11,154.89 = 5,248.34/x
  3. Step 3: Cross multiply
    7,435.34x = 11,154.89 × 5,248.34
  4. Step 4: Simplify right side
    7,435.34x = 58,544,629.14
  5. Step 5: Solve for x
    x = 58,544,629.14/7,435.34
  6. Step 6: Final answer
    x = 7,873.83

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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.