Home / 9,723.78-13,418.92-5,532.30

Finding the Fourth Proportional to 9,723.78, 13,418.92 and 5,532.30

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Solution

The fourth proportional to 9,723.78, 13,418.92 and 5,532.30 is: 7,634.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,723.78 : 13,418.92 = 5,532.30 : x
  2. Step 2: Convert to fraction form
    9,723.78/13,418.92 = 5,532.30/x
  3. Step 3: Cross multiply
    9,723.78x = 13,418.92 × 5,532.30
  4. Step 4: Simplify right side
    9,723.78x = 74,237,491.12
  5. Step 5: Solve for x
    x = 74,237,491.12/9,723.78
  6. Step 6: Final answer
    x = 7,634.63

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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.