Home / 8,850.47-12,213.39-4,871.58

Finding the Fourth Proportional to 8,850.47, 12,213.39 and 4,871.58

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Solution

The fourth proportional to 8,850.47, 12,213.39 and 4,871.58 is: 6,722.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,850.47 : 12,213.39 = 4,871.58 : x
  2. Step 2: Convert to fraction form
    8,850.47/12,213.39 = 4,871.58/x
  3. Step 3: Cross multiply
    8,850.47x = 12,213.39 × 4,871.58
  4. Step 4: Simplify right side
    8,850.47x = 59,498,506.46
  5. Step 5: Solve for x
    x = 59,498,506.46/8,850.47
  6. Step 6: Final answer
    x = 6,722.64

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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.