Home / 10,161.20-14,022.01-5,684.11

Finding the Fourth Proportional to 10,161.20, 14,022.01 and 5,684.11

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Solution

The fourth proportional to 10,161.20, 14,022.01 and 5,684.11 is: 7,843.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.20 : 14,022.01 = 5,684.11 : x
  2. Step 2: Convert to fraction form
    10,161.20/14,022.01 = 5,684.11/x
  3. Step 3: Cross multiply
    10,161.20x = 14,022.01 × 5,684.11
  4. Step 4: Simplify right side
    10,161.20x = 79,702,647.26
  5. Step 5: Solve for x
    x = 79,702,647.26/10,161.20
  6. Step 6: Final answer
    x = 7,843.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.