Home / 11,001.94-15,182.49-6,221.80

Finding the Fourth Proportional to 11,001.94, 15,182.49 and 6,221.80

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Solution

The fourth proportional to 11,001.94, 15,182.49 and 6,221.80 is: 8,585.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.94 : 15,182.49 = 6,221.80 : x
  2. Step 2: Convert to fraction form
    11,001.94/15,182.49 = 6,221.80/x
  3. Step 3: Cross multiply
    11,001.94x = 15,182.49 × 6,221.80
  4. Step 4: Simplify right side
    11,001.94x = 94,462,416.28
  5. Step 5: Solve for x
    x = 94,462,416.28/11,001.94
  6. Step 6: Final answer
    x = 8,585.98

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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.