Home / 11,530.76-17,297.96-4,957.20

Finding the Fourth Proportional to 11,530.76, 17,297.96 and 4,957.20

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Solution

The fourth proportional to 11,530.76, 17,297.96 and 4,957.20 is: 7,436.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,530.76 : 17,297.96 = 4,957.20 : x
  2. Step 2: Convert to fraction form
    11,530.76/17,297.96 = 4,957.20/x
  3. Step 3: Cross multiply
    11,530.76x = 17,297.96 × 4,957.20
  4. Step 4: Simplify right side
    11,530.76x = 85,749,422.53
  5. Step 5: Solve for x
    x = 85,749,422.53/11,530.76
  6. Step 6: Final answer
    x = 7,436.58

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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.