Home / 8,849.11-12,212.94-5,714.41

Finding the Fourth Proportional to 8,849.11, 12,212.94 and 5,714.41

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Solution

The fourth proportional to 8,849.11, 12,212.94 and 5,714.41 is: 7,886.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.11 : 12,212.94 = 5,714.41 : x
  2. Step 2: Convert to fraction form
    8,849.11/12,212.94 = 5,714.41/x
  3. Step 3: Cross multiply
    8,849.11x = 12,212.94 × 5,714.41
  4. Step 4: Simplify right side
    8,849.11x = 69,789,746.47
  5. Step 5: Solve for x
    x = 69,789,746.47/8,849.11
  6. Step 6: Final answer
    x = 7,886.64

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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.