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Finding the Fourth Proportional to 11,612.59, 17,391.21 and 6,339.70

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Solution

The fourth proportional to 11,612.59, 17,391.21 and 6,339.70 is: 9,494.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.59 : 17,391.21 = 6,339.70 : x
  2. Step 2: Convert to fraction form
    11,612.59/17,391.21 = 6,339.70/x
  3. Step 3: Cross multiply
    11,612.59x = 17,391.21 × 6,339.70
  4. Step 4: Simplify right side
    11,612.59x = 110,255,054.04
  5. Step 5: Solve for x
    x = 110,255,054.04/11,612.59
  6. Step 6: Final answer
    x = 9,494.44

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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.