Home / 10,964.51-16,442.90-3,943.18

Finding the Fourth Proportional to 10,964.51, 16,442.90 and 3,943.18

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Solution

The fourth proportional to 10,964.51, 16,442.90 and 3,943.18 is: 5,913.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.51 : 16,442.90 = 3,943.18 : x
  2. Step 2: Convert to fraction form
    10,964.51/16,442.90 = 3,943.18/x
  3. Step 3: Cross multiply
    10,964.51x = 16,442.90 × 3,943.18
  4. Step 4: Simplify right side
    10,964.51x = 64,837,330.05
  5. Step 5: Solve for x
    x = 64,837,330.05/10,964.51
  6. Step 6: Final answer
    x = 5,913.38

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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.