Home / 10,175.79-15,245.46-3,597.78

Finding the Fourth Proportional to 10,175.79, 15,245.46 and 3,597.78

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Solution

The fourth proportional to 10,175.79, 15,245.46 and 3,597.78 is: 5,390.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.79 : 15,245.46 = 3,597.78 : x
  2. Step 2: Convert to fraction form
    10,175.79/15,245.46 = 3,597.78/x
  3. Step 3: Cross multiply
    10,175.79x = 15,245.46 × 3,597.78
  4. Step 4: Simplify right side
    10,175.79x = 54,849,811.08
  5. Step 5: Solve for x
    x = 54,849,811.08/10,175.79
  6. Step 6: Final answer
    x = 5,390.23

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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.