Home / 11,237.88-16,848.50-5,388.92

Finding the Fourth Proportional to 11,237.88, 16,848.50 and 5,388.92

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Solution

The fourth proportional to 11,237.88, 16,848.50 and 5,388.92 is: 8,079.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.88 : 16,848.50 = 5,388.92 : x
  2. Step 2: Convert to fraction form
    11,237.88/16,848.50 = 5,388.92/x
  3. Step 3: Cross multiply
    11,237.88x = 16,848.50 × 5,388.92
  4. Step 4: Simplify right side
    11,237.88x = 90,795,218.62
  5. Step 5: Solve for x
    x = 90,795,218.62/11,237.88
  6. Step 6: Final answer
    x = 8,079.39

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1.5x scale

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.