Home / 10,909.06-16,357.65-3,887.98

Finding the Fourth Proportional to 10,909.06, 16,357.65 and 3,887.98

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Solution

The fourth proportional to 10,909.06, 16,357.65 and 3,887.98 is: 5,829.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909.06 : 16,357.65 = 3,887.98 : x
  2. Step 2: Convert to fraction form
    10,909.06/16,357.65 = 3,887.98/x
  3. Step 3: Cross multiply
    10,909.06x = 16,357.65 × 3,887.98
  4. Step 4: Simplify right side
    10,909.06x = 63,598,216.05
  5. Step 5: Solve for x
    x = 63,598,216.05/10,909.06
  6. Step 6: Final answer
    x = 5,829.85

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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.