Home / 11,223.72-16,835.58-3,432.47

Finding the Fourth Proportional to 11,223.72, 16,835.58 and 3,432.47

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Solution

The fourth proportional to 11,223.72, 16,835.58 and 3,432.47 is: 5,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.72 : 16,835.58 = 3,432.47 : x
  2. Step 2: Convert to fraction form
    11,223.72/16,835.58 = 3,432.47/x
  3. Step 3: Cross multiply
    11,223.72x = 16,835.58 × 3,432.47
  4. Step 4: Simplify right side
    11,223.72x = 57,787,539.10
  5. Step 5: Solve for x
    x = 57,787,539.10/11,223.72
  6. Step 6: Final answer
    x = 5,148.70

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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.