Home / 11,877.92-16,390.74-6,572.36

Finding the Fourth Proportional to 11,877.92, 16,390.74 and 6,572.36

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Solution

The fourth proportional to 11,877.92, 16,390.74 and 6,572.36 is: 9,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877.92 : 16,390.74 = 6,572.36 : x
  2. Step 2: Convert to fraction form
    11,877.92/16,390.74 = 6,572.36/x
  3. Step 3: Cross multiply
    11,877.92x = 16,390.74 × 6,572.36
  4. Step 4: Simplify right side
    11,877.92x = 107,725,843.95
  5. Step 5: Solve for x
    x = 107,725,843.95/11,877.92
  6. Step 6: Final answer
    x = 9,069.42

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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.