Home / 7,113.18-10,669.47-2,182.56

Finding the Fourth Proportional to 7,113.18, 10,669.47 and 2,182.56

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Solution

The fourth proportional to 7,113.18, 10,669.47 and 2,182.56 is: 3,273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.18 : 10,669.47 = 2,182.56 : x
  2. Step 2: Convert to fraction form
    7,113.18/10,669.47 = 2,182.56/x
  3. Step 3: Cross multiply
    7,113.18x = 10,669.47 × 2,182.56
  4. Step 4: Simplify right side
    7,113.18x = 23,286,758.44
  5. Step 5: Solve for x
    x = 23,286,758.44/7,113.18
  6. Step 6: Final answer
    x = 3,273.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.