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Finding the Fourth Proportional to 9,235.70, 13,834.05 and 6,117.20

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Solution

The fourth proportional to 9,235.70, 13,834.05 and 6,117.20 is: 9,162.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235.70 : 13,834.05 = 6,117.20 : x
  2. Step 2: Convert to fraction form
    9,235.70/13,834.05 = 6,117.20/x
  3. Step 3: Cross multiply
    9,235.70x = 13,834.05 × 6,117.20
  4. Step 4: Simplify right side
    9,235.70x = 84,625,650.66
  5. Step 5: Solve for x
    x = 84,625,650.66/9,235.70
  6. Step 6: Final answer
    x = 9,162.88

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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.