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Finding the Fourth Proportional to 7,134.56, 9,849.06 and 5,366.84

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Solution

The fourth proportional to 7,134.56, 9,849.06 and 5,366.84 is: 7,408.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.56 : 9,849.06 = 5,366.84 : x
  2. Step 2: Convert to fraction form
    7,134.56/9,849.06 = 5,366.84/x
  3. Step 3: Cross multiply
    7,134.56x = 9,849.06 × 5,366.84
  4. Step 4: Simplify right side
    7,134.56x = 52,858,329.17
  5. Step 5: Solve for x
    x = 52,858,329.17/7,134.56
  6. Step 6: Final answer
    x = 7,408.77

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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.