Home / 11,343.79-16,998.36-4,766.38

Finding the Fourth Proportional to 11,343.79, 16,998.36 and 4,766.38

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Solution

The fourth proportional to 11,343.79, 16,998.36 and 4,766.38 is: 7,142.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.79 : 16,998.36 = 4,766.38 : x
  2. Step 2: Convert to fraction form
    11,343.79/16,998.36 = 4,766.38/x
  3. Step 3: Cross multiply
    11,343.79x = 16,998.36 × 4,766.38
  4. Step 4: Simplify right side
    11,343.79x = 81,020,643.14
  5. Step 5: Solve for x
    x = 81,020,643.14/11,343.79
  6. Step 6: Final answer
    x = 7,142.29

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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.