Home / 10,102.42-15,153.74-3,528.62

Finding the Fourth Proportional to 10,102.42, 15,153.74 and 3,528.62

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Solution

The fourth proportional to 10,102.42, 15,153.74 and 3,528.62 is: 5,292.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.42 : 15,153.74 = 3,528.62 : x
  2. Step 2: Convert to fraction form
    10,102.42/15,153.74 = 3,528.62/x
  3. Step 3: Cross multiply
    10,102.42x = 15,153.74 × 3,528.62
  4. Step 4: Simplify right side
    10,102.42x = 53,471,790.04
  5. Step 5: Solve for x
    x = 53,471,790.04/10,102.42
  6. Step 6: Final answer
    x = 5,292.97

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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.