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Finding the Fourth Proportional to 8,814.30, 13,135.04 and 8,036.70

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Solution

The fourth proportional to 8,814.30, 13,135.04 and 8,036.70 is: 11,976.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.30 : 13,135.04 = 8,036.70 : x
  2. Step 2: Convert to fraction form
    8,814.30/13,135.04 = 8,036.70/x
  3. Step 3: Cross multiply
    8,814.30x = 13,135.04 × 8,036.70
  4. Step 4: Simplify right side
    8,814.30x = 105,562,335.78
  5. Step 5: Solve for x
    x = 105,562,335.78/8,814.30
  6. Step 6: Final answer
    x = 11,976.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.