Home / 10,103.06-15,157.04-3,439.50

Finding the Fourth Proportional to 10,103.06, 15,157.04 and 3,439.50

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Solution

The fourth proportional to 10,103.06, 15,157.04 and 3,439.50 is: 5,160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.06 : 15,157.04 = 3,439.50 : x
  2. Step 2: Convert to fraction form
    10,103.06/15,157.04 = 3,439.50/x
  3. Step 3: Cross multiply
    10,103.06x = 15,157.04 × 3,439.50
  4. Step 4: Simplify right side
    10,103.06x = 52,132,639.08
  5. Step 5: Solve for x
    x = 52,132,639.08/10,103.06
  6. Step 6: Final answer
    x = 5,160.08

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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.