Home / 10,986.66-16,482.36-3,196.08

Finding the Fourth Proportional to 10,986.66, 16,482.36 and 3,196.08

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Solution

The fourth proportional to 10,986.66, 16,482.36 and 3,196.08 is: 4,794.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.66 : 16,482.36 = 3,196.08 : x
  2. Step 2: Convert to fraction form
    10,986.66/16,482.36 = 3,196.08/x
  3. Step 3: Cross multiply
    10,986.66x = 16,482.36 × 3,196.08
  4. Step 4: Simplify right side
    10,986.66x = 52,678,941.15
  5. Step 5: Solve for x
    x = 52,678,941.15/10,986.66
  6. Step 6: Final answer
    x = 4,794.81

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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.