Home / 9,340.23-12,889.49-5,148.48

Finding the Fourth Proportional to 9,340.23, 12,889.49 and 5,148.48

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Solution

The fourth proportional to 9,340.23, 12,889.49 and 5,148.48 is: 7,104.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340.23 : 12,889.49 = 5,148.48 : x
  2. Step 2: Convert to fraction form
    9,340.23/12,889.49 = 5,148.48/x
  3. Step 3: Cross multiply
    9,340.23x = 12,889.49 × 5,148.48
  4. Step 4: Simplify right side
    9,340.23x = 66,361,255.73
  5. Step 5: Solve for x
    x = 66,361,255.73/9,340.23
  6. Step 6: Final answer
    x = 7,104.88

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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.