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Finding the Fourth Proportional to 9,011.70, 13,515.12 and 6,107.85

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Solution

The fourth proportional to 9,011.70, 13,515.12 and 6,107.85 is: 9,160.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.70 : 13,515.12 = 6,107.85 : x
  2. Step 2: Convert to fraction form
    9,011.70/13,515.12 = 6,107.85/x
  3. Step 3: Cross multiply
    9,011.70x = 13,515.12 × 6,107.85
  4. Step 4: Simplify right side
    9,011.70x = 82,548,325.69
  5. Step 5: Solve for x
    x = 82,548,325.69/9,011.70
  6. Step 6: Final answer
    x = 9,160.13

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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.