Home / 10,497.12-15,748.44-3,834.21

Finding the Fourth Proportional to 10,497.12, 15,748.44 and 3,834.21

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Solution

The fourth proportional to 10,497.12, 15,748.44 and 3,834.21 is: 5,752.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,497.12 : 15,748.44 = 3,834.21 : x
  2. Step 2: Convert to fraction form
    10,497.12/15,748.44 = 3,834.21/x
  3. Step 3: Cross multiply
    10,497.12x = 15,748.44 × 3,834.21
  4. Step 4: Simplify right side
    10,497.12x = 60,382,826.13
  5. Step 5: Solve for x
    x = 60,382,826.13/10,497.12
  6. Step 6: Final answer
    x = 5,752.32

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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.