Home / 11,848.60-17,816.10-9,947.80

Finding the Fourth Proportional to 11,848.60, 17,816.10 and 9,947.80

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Solution

The fourth proportional to 11,848.60, 17,816.10 and 9,947.80 is: 14,957.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,848.60 : 17,816.10 = 9,947.80 : x
  2. Step 2: Convert to fraction form
    11,848.60/17,816.10 = 9,947.80/x
  3. Step 3: Cross multiply
    11,848.60x = 17,816.10 × 9,947.80
  4. Step 4: Simplify right side
    11,848.60x = 177,230,999.58
  5. Step 5: Solve for x
    x = 177,230,999.58/11,848.60
  6. Step 6: Final answer
    x = 14,957.97

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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.