Home / 7,421.74-11,132.96-4,132.36

Finding the Fourth Proportional to 7,421.74, 11,132.96 and 4,132.36

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Solution

The fourth proportional to 7,421.74, 11,132.96 and 4,132.36 is: 6,198.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.74 : 11,132.96 = 4,132.36 : x
  2. Step 2: Convert to fraction form
    7,421.74/11,132.96 = 4,132.36/x
  3. Step 3: Cross multiply
    7,421.74x = 11,132.96 × 4,132.36
  4. Step 4: Simplify right side
    7,421.74x = 46,005,383.77
  5. Step 5: Solve for x
    x = 46,005,383.77/7,421.74
  6. Step 6: Final answer
    x = 6,198.73

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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.