Home / 10,161.08-15,243.42-3,141.02

Finding the Fourth Proportional to 10,161.08, 15,243.42 and 3,141.02

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Solution

The fourth proportional to 10,161.08, 15,243.42 and 3,141.02 is: 4,712.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.08 : 15,243.42 = 3,141.02 : x
  2. Step 2: Convert to fraction form
    10,161.08/15,243.42 = 3,141.02/x
  3. Step 3: Cross multiply
    10,161.08x = 15,243.42 × 3,141.02
  4. Step 4: Simplify right side
    10,161.08x = 47,879,887.09
  5. Step 5: Solve for x
    x = 47,879,887.09/10,161.08
  6. Step 6: Final answer
    x = 4,712.09

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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.