Home / 10,105.04-15,161.97-3,535.94

Finding the Fourth Proportional to 10,105.04, 15,161.97 and 3,535.94

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Solution

The fourth proportional to 10,105.04, 15,161.97 and 3,535.94 is: 5,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,105.04 : 15,161.97 = 3,535.94 : x
  2. Step 2: Convert to fraction form
    10,105.04/15,161.97 = 3,535.94/x
  3. Step 3: Cross multiply
    10,105.04x = 15,161.97 × 3,535.94
  4. Step 4: Simplify right side
    10,105.04x = 53,611,816.20
  5. Step 5: Solve for x
    x = 53,611,816.20/10,105.04
  6. Step 6: Final answer
    x = 5,305.45

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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.