Home / 7,122.60-10,682.76-2,442.42

Finding the Fourth Proportional to 7,122.60, 10,682.76 and 2,442.42

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Solution

The fourth proportional to 7,122.60, 10,682.76 and 2,442.42 is: 3,663.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122.60 : 10,682.76 = 2,442.42 : x
  2. Step 2: Convert to fraction form
    7,122.60/10,682.76 = 2,442.42/x
  3. Step 3: Cross multiply
    7,122.60x = 10,682.76 × 2,442.42
  4. Step 4: Simplify right side
    7,122.60x = 26,091,786.68
  5. Step 5: Solve for x
    x = 26,091,786.68/7,122.60
  6. Step 6: Final answer
    x = 3,663.24

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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.