Home / 10,634.77-15,919.30-6,929.02

Finding the Fourth Proportional to 10,634.77, 15,919.30 and 6,929.02

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Solution

The fourth proportional to 10,634.77, 15,919.30 and 6,929.02 is: 10,372.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,634.77 : 15,919.30 = 6,929.02 : x
  2. Step 2: Convert to fraction form
    10,634.77/15,919.30 = 6,929.02/x
  3. Step 3: Cross multiply
    10,634.77x = 15,919.30 × 6,929.02
  4. Step 4: Simplify right side
    10,634.77x = 110,305,148.09
  5. Step 5: Solve for x
    x = 110,305,148.09/10,634.77
  6. Step 6: Final answer
    x = 10,372.12

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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.