Home / 11,909.97-16,431.95-6,873.53

Finding the Fourth Proportional to 11,909.97, 16,431.95 and 6,873.53

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Solution

The fourth proportional to 11,909.97, 16,431.95 and 6,873.53 is: 9,483.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909.97 : 16,431.95 = 6,873.53 : x
  2. Step 2: Convert to fraction form
    11,909.97/16,431.95 = 6,873.53/x
  3. Step 3: Cross multiply
    11,909.97x = 16,431.95 × 6,873.53
  4. Step 4: Simplify right side
    11,909.97x = 112,945,436.31
  5. Step 5: Solve for x
    x = 112,945,436.31/11,909.97
  6. Step 6: Final answer
    x = 9,483.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.