Home / 10,538.82-15,809.46-4,694.70

Finding the Fourth Proportional to 10,538.82, 15,809.46 and 4,694.70

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Solution

The fourth proportional to 10,538.82, 15,809.46 and 4,694.70 is: 7,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538.82 : 15,809.46 = 4,694.70 : x
  2. Step 2: Convert to fraction form
    10,538.82/15,809.46 = 4,694.70/x
  3. Step 3: Cross multiply
    10,538.82x = 15,809.46 × 4,694.70
  4. Step 4: Simplify right side
    10,538.82x = 74,220,671.86
  5. Step 5: Solve for x
    x = 74,220,671.86/10,538.82
  6. Step 6: Final answer
    x = 7,042.60

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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.