Home / 8,849.53-12,212.20-5,072.60

Finding the Fourth Proportional to 8,849.53, 12,212.20 and 5,072.60

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Solution

The fourth proportional to 8,849.53, 12,212.20 and 5,072.60 is: 7,000.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.53 : 12,212.20 = 5,072.60 : x
  2. Step 2: Convert to fraction form
    8,849.53/12,212.20 = 5,072.60/x
  3. Step 3: Cross multiply
    8,849.53x = 12,212.20 × 5,072.60
  4. Step 4: Simplify right side
    8,849.53x = 61,947,573.90
  5. Step 5: Solve for x
    x = 61,947,573.90/8,849.53
  6. Step 6: Final answer
    x = 7,000.10

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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.