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Finding the Fourth Proportional to 8,603.97, 11,873.91 and 5,246.22

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Solution

The fourth proportional to 8,603.97, 11,873.91 and 5,246.22 is: 7,240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.97 : 11,873.91 = 5,246.22 : x
  2. Step 2: Convert to fraction form
    8,603.97/11,873.91 = 5,246.22/x
  3. Step 3: Cross multiply
    8,603.97x = 11,873.91 × 5,246.22
  4. Step 4: Simplify right side
    8,603.97x = 62,293,144.12
  5. Step 5: Solve for x
    x = 62,293,144.12/8,603.97
  6. Step 6: Final answer
    x = 7,240.05

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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.