Home / 7,508.20-10,362.34-4,321.43

Finding the Fourth Proportional to 7,508.20, 10,362.34 and 4,321.43

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Solution

The fourth proportional to 7,508.20, 10,362.34 and 4,321.43 is: 5,964.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,508.20 : 10,362.34 = 4,321.43 : x
  2. Step 2: Convert to fraction form
    7,508.20/10,362.34 = 4,321.43/x
  3. Step 3: Cross multiply
    7,508.20x = 10,362.34 × 4,321.43
  4. Step 4: Simplify right side
    7,508.20x = 44,780,126.95
  5. Step 5: Solve for x
    x = 44,780,126.95/7,508.20
  6. Step 6: Final answer
    x = 5,964.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.