Home / 10,789.64-16,178.94-4,941.24

Finding the Fourth Proportional to 10,789.64, 16,178.94 and 4,941.24

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Solution

The fourth proportional to 10,789.64, 16,178.94 and 4,941.24 is: 7,409.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789.64 : 16,178.94 = 4,941.24 : x
  2. Step 2: Convert to fraction form
    10,789.64/16,178.94 = 4,941.24/x
  3. Step 3: Cross multiply
    10,789.64x = 16,178.94 × 4,941.24
  4. Step 4: Simplify right side
    10,789.64x = 79,943,964.81
  5. Step 5: Solve for x
    x = 79,943,964.81/10,789.64
  6. Step 6: Final answer
    x = 7,409.33

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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.