Home / 11,238.84-16,865.76-4,665.02

Finding the Fourth Proportional to 11,238.84, 16,865.76 and 4,665.02

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Solution

The fourth proportional to 11,238.84, 16,865.76 and 4,665.02 is: 7,000.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.84 : 16,865.76 = 4,665.02 : x
  2. Step 2: Convert to fraction form
    11,238.84/16,865.76 = 4,665.02/x
  3. Step 3: Cross multiply
    11,238.84x = 16,865.76 × 4,665.02
  4. Step 4: Simplify right side
    11,238.84x = 78,679,023.39
  5. Step 5: Solve for x
    x = 78,679,023.39/11,238.84
  6. Step 6: Final answer
    x = 7,000.64

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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.