Home / 7,430.33-11,147.22-2,165.47

Finding the Fourth Proportional to 7,430.33, 11,147.22 and 2,165.47

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Solution

The fourth proportional to 7,430.33, 11,147.22 and 2,165.47 is: 3,248.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.33 : 11,147.22 = 2,165.47 : x
  2. Step 2: Convert to fraction form
    7,430.33/11,147.22 = 2,165.47/x
  3. Step 3: Cross multiply
    7,430.33x = 11,147.22 × 2,165.47
  4. Step 4: Simplify right side
    7,430.33x = 24,138,942.63
  5. Step 5: Solve for x
    x = 24,138,942.63/7,430.33
  6. Step 6: Final answer
    x = 3,248.70

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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.