Home / 11,721.60-17,582.72-4,795.52

Finding the Fourth Proportional to 11,721.60, 17,582.72 and 4,795.52

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Solution

The fourth proportional to 11,721.60, 17,582.72 and 4,795.52 is: 7,193.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.60 : 17,582.72 = 4,795.52 : x
  2. Step 2: Convert to fraction form
    11,721.60/17,582.72 = 4,795.52/x
  3. Step 3: Cross multiply
    11,721.60x = 17,582.72 × 4,795.52
  4. Step 4: Simplify right side
    11,721.60x = 84,318,285.41
  5. Step 5: Solve for x
    x = 84,318,285.41/11,721.60
  6. Step 6: Final answer
    x = 7,193.41

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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.