Home / 7,412.31-10,229.30-4,268.49

Finding the Fourth Proportional to 7,412.31, 10,229.30 and 4,268.49

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Solution

The fourth proportional to 7,412.31, 10,229.30 and 4,268.49 is: 5,890.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.31 : 10,229.30 = 4,268.49 : x
  2. Step 2: Convert to fraction form
    7,412.31/10,229.30 = 4,268.49/x
  3. Step 3: Cross multiply
    7,412.31x = 10,229.30 × 4,268.49
  4. Step 4: Simplify right side
    7,412.31x = 43,663,643.41
  5. Step 5: Solve for x
    x = 43,663,643.41/7,412.31
  6. Step 6: Final answer
    x = 5,890.69

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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.