Home / 10,245.88-15,356.13-4,976.58

Finding the Fourth Proportional to 10,245.88, 15,356.13 and 4,976.58

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Solution

The fourth proportional to 10,245.88, 15,356.13 and 4,976.58 is: 7,458.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.88 : 15,356.13 = 4,976.58 : x
  2. Step 2: Convert to fraction form
    10,245.88/15,356.13 = 4,976.58/x
  3. Step 3: Cross multiply
    10,245.88x = 15,356.13 × 4,976.58
  4. Step 4: Simplify right side
    10,245.88x = 76,421,009.44
  5. Step 5: Solve for x
    x = 76,421,009.44/10,245.88
  6. Step 6: Final answer
    x = 7,458.71

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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.