Home / 10,133.66-15,202.02-3,558.72

Finding the Fourth Proportional to 10,133.66, 15,202.02 and 3,558.72

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Solution

The fourth proportional to 10,133.66, 15,202.02 and 3,558.72 is: 5,338.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.66 : 15,202.02 = 3,558.72 : x
  2. Step 2: Convert to fraction form
    10,133.66/15,202.02 = 3,558.72/x
  3. Step 3: Cross multiply
    10,133.66x = 15,202.02 × 3,558.72
  4. Step 4: Simplify right side
    10,133.66x = 54,099,732.61
  5. Step 5: Solve for x
    x = 54,099,732.61/10,133.66
  6. Step 6: Final answer
    x = 5,338.62

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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.