Home / 10,549.43-15,824.72-3,154.46

Finding the Fourth Proportional to 10,549.43, 15,824.72 and 3,154.46

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Solution

The fourth proportional to 10,549.43, 15,824.72 and 3,154.46 is: 4,731.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,549.43 : 15,824.72 = 3,154.46 : x
  2. Step 2: Convert to fraction form
    10,549.43/15,824.72 = 3,154.46/x
  3. Step 3: Cross multiply
    10,549.43x = 15,824.72 × 3,154.46
  4. Step 4: Simplify right side
    10,549.43x = 49,918,351.36
  5. Step 5: Solve for x
    x = 49,918,351.36/10,549.43
  6. Step 6: Final answer
    x = 4,731.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.