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Finding the Fourth Proportional to 9,013.95, 13,484.48 and 7,794.90

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Solution

The fourth proportional to 9,013.95, 13,484.48 and 7,794.90 is: 11,660.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.95 : 13,484.48 = 7,794.90 : x
  2. Step 2: Convert to fraction form
    9,013.95/13,484.48 = 7,794.90/x
  3. Step 3: Cross multiply
    9,013.95x = 13,484.48 × 7,794.90
  4. Step 4: Simplify right side
    9,013.95x = 105,110,134.18
  5. Step 5: Solve for x
    x = 105,110,134.18/9,013.95
  6. Step 6: Final answer
    x = 11,660.83

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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.