Home / 8,860.76-12,222.44-5,273.31

Finding the Fourth Proportional to 8,860.76, 12,222.44 and 5,273.31

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Solution

The fourth proportional to 8,860.76, 12,222.44 and 5,273.31 is: 7,273.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.76 : 12,222.44 = 5,273.31 : x
  2. Step 2: Convert to fraction form
    8,860.76/12,222.44 = 5,273.31/x
  3. Step 3: Cross multiply
    8,860.76x = 12,222.44 × 5,273.31
  4. Step 4: Simplify right side
    8,860.76x = 64,452,705.11
  5. Step 5: Solve for x
    x = 64,452,705.11/8,860.76
  6. Step 6: Final answer
    x = 7,273.95

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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.