Home / 11,191.43-16,783.38-5,641.23

Finding the Fourth Proportional to 11,191.43, 16,783.38 and 5,641.23

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Solution

The fourth proportional to 11,191.43, 16,783.38 and 5,641.23 is: 8,459.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.43 : 16,783.38 = 5,641.23 : x
  2. Step 2: Convert to fraction form
    11,191.43/16,783.38 = 5,641.23/x
  3. Step 3: Cross multiply
    11,191.43x = 16,783.38 × 5,641.23
  4. Step 4: Simplify right side
    11,191.43x = 94,678,906.76
  5. Step 5: Solve for x
    x = 94,678,906.76/11,191.43
  6. Step 6: Final answer
    x = 8,459.95

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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.