Home / 10,992.18-16,478.58-5,716.05

Finding the Fourth Proportional to 10,992.18, 16,478.58 and 5,716.05

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Solution

The fourth proportional to 10,992.18, 16,478.58 and 5,716.05 is: 8,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.18 : 16,478.58 = 5,716.05 : x
  2. Step 2: Convert to fraction form
    10,992.18/16,478.58 = 5,716.05/x
  3. Step 3: Cross multiply
    10,992.18x = 16,478.58 × 5,716.05
  4. Step 4: Simplify right side
    10,992.18x = 94,192,387.21
  5. Step 5: Solve for x
    x = 94,192,387.21/10,992.18
  6. Step 6: Final answer
    x = 8,569.04

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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.