Home / 11,238.54-16,859.98-4,312.50

Finding the Fourth Proportional to 11,238.54, 16,859.98 and 4,312.50

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Solution

The fourth proportional to 11,238.54, 16,859.98 and 4,312.50 is: 6,469.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.54 : 16,859.98 = 4,312.50 : x
  2. Step 2: Convert to fraction form
    11,238.54/16,859.98 = 4,312.50/x
  3. Step 3: Cross multiply
    11,238.54x = 16,859.98 × 4,312.50
  4. Step 4: Simplify right side
    11,238.54x = 72,708,663.75
  5. Step 5: Solve for x
    x = 72,708,663.75/11,238.54
  6. Step 6: Final answer
    x = 6,469.58

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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.