Home / 11,456.46-15,809.97-7,475.22

Finding the Fourth Proportional to 11,456.46, 15,809.97 and 7,475.22

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Solution

The fourth proportional to 11,456.46, 15,809.97 and 7,475.22 is: 10,315.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,456.46 : 15,809.97 = 7,475.22 : x
  2. Step 2: Convert to fraction form
    11,456.46/15,809.97 = 7,475.22/x
  3. Step 3: Cross multiply
    11,456.46x = 15,809.97 × 7,475.22
  4. Step 4: Simplify right side
    11,456.46x = 118,183,003.94
  5. Step 5: Solve for x
    x = 118,183,003.94/11,456.46
  6. Step 6: Final answer
    x = 10,315.84

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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.