Home / 9,723.23-13,418.10-5,531.48

Finding the Fourth Proportional to 9,723.23, 13,418.10 and 5,531.48

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Solution

The fourth proportional to 9,723.23, 13,418.10 and 5,531.48 is: 7,633.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,723.23 : 13,418.10 = 5,531.48 : x
  2. Step 2: Convert to fraction form
    9,723.23/13,418.10 = 5,531.48/x
  3. Step 3: Cross multiply
    9,723.23x = 13,418.10 × 5,531.48
  4. Step 4: Simplify right side
    9,723.23x = 74,221,884.70
  5. Step 5: Solve for x
    x = 74,221,884.70/9,723.23
  6. Step 6: Final answer
    x = 7,633.46

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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.