Home / 8,821.14-12,173.61-5,044.47

Finding the Fourth Proportional to 8,821.14, 12,173.61 and 5,044.47

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Solution

The fourth proportional to 8,821.14, 12,173.61 and 5,044.47 is: 6,961.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.14 : 12,173.61 = 5,044.47 : x
  2. Step 2: Convert to fraction form
    8,821.14/12,173.61 = 5,044.47/x
  3. Step 3: Cross multiply
    8,821.14x = 12,173.61 × 5,044.47
  4. Step 4: Simplify right side
    8,821.14x = 61,409,410.44
  5. Step 5: Solve for x
    x = 61,409,410.44/8,821.14
  6. Step 6: Final answer
    x = 6,961.62

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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.