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Finding the Fourth Proportional to 8,010.71, 11,040.12 and 5,317.13

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Solution

The fourth proportional to 8,010.71, 11,040.12 and 5,317.13 is: 7,327.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,010.71 : 11,040.12 = 5,317.13 : x
  2. Step 2: Convert to fraction form
    8,010.71/11,040.12 = 5,317.13/x
  3. Step 3: Cross multiply
    8,010.71x = 11,040.12 × 5,317.13
  4. Step 4: Simplify right side
    8,010.71x = 58,701,698.06
  5. Step 5: Solve for x
    x = 58,701,698.06/8,010.71
  6. Step 6: Final answer
    x = 7,327.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.