Home / 9,591.30-13,220.37-7,229.34

Finding the Fourth Proportional to 9,591.30, 13,220.37 and 7,229.34

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Solution

The fourth proportional to 9,591.30, 13,220.37 and 7,229.34 is: 9,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,591.30 : 13,220.37 = 7,229.34 : x
  2. Step 2: Convert to fraction form
    9,591.30/13,220.37 = 7,229.34/x
  3. Step 3: Cross multiply
    9,591.30x = 13,220.37 × 7,229.34
  4. Step 4: Simplify right side
    9,591.30x = 95,574,549.66
  5. Step 5: Solve for x
    x = 95,574,549.66/9,591.30
  6. Step 6: Final answer
    x = 9,964.71

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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.