Home / 7,523.70-11,293.65-4,243.20

Finding the Fourth Proportional to 7,523.70, 11,293.65 and 4,243.20

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Solution

The fourth proportional to 7,523.70, 11,293.65 and 4,243.20 is: 6,369.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,523.70 : 11,293.65 = 4,243.20 : x
  2. Step 2: Convert to fraction form
    7,523.70/11,293.65 = 4,243.20/x
  3. Step 3: Cross multiply
    7,523.70x = 11,293.65 × 4,243.20
  4. Step 4: Simplify right side
    7,523.70x = 47,921,215.68
  5. Step 5: Solve for x
    x = 47,921,215.68/7,523.70
  6. Step 6: Final answer
    x = 6,369.37

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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.