Home / 10,756.49-16,134.75-2,965.91

Finding the Fourth Proportional to 10,756.49, 16,134.75 and 2,965.91

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Solution

The fourth proportional to 10,756.49, 16,134.75 and 2,965.91 is: 4,448.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756.49 : 16,134.75 = 2,965.91 : x
  2. Step 2: Convert to fraction form
    10,756.49/16,134.75 = 2,965.91/x
  3. Step 3: Cross multiply
    10,756.49x = 16,134.75 × 2,965.91
  4. Step 4: Simplify right side
    10,756.49x = 47,854,135.70
  5. Step 5: Solve for x
    x = 47,854,135.70/10,756.49
  6. Step 6: Final answer
    x = 4,448.86

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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.