Home / 11,852.30-17,780.88-4,061.72

Finding the Fourth Proportional to 11,852.30, 17,780.88 and 4,061.72

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Solution

The fourth proportional to 11,852.30, 17,780.88 and 4,061.72 is: 6,093.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.30 : 17,780.88 = 4,061.72 : x
  2. Step 2: Convert to fraction form
    11,852.30/17,780.88 = 4,061.72/x
  3. Step 3: Cross multiply
    11,852.30x = 17,780.88 × 4,061.72
  4. Step 4: Simplify right side
    11,852.30x = 72,220,955.91
  5. Step 5: Solve for x
    x = 72,220,955.91/11,852.30
  6. Step 6: Final answer
    x = 6,093.41

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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.