Home / 8,735.19-13,111.02-5,815.53

Finding the Fourth Proportional to 8,735.19, 13,111.02 and 5,815.53

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Solution

The fourth proportional to 8,735.19, 13,111.02 and 5,815.53 is: 8,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.19 : 13,111.02 = 5,815.53 : x
  2. Step 2: Convert to fraction form
    8,735.19/13,111.02 = 5,815.53/x
  3. Step 3: Cross multiply
    8,735.19x = 13,111.02 × 5,815.53
  4. Step 4: Simplify right side
    8,735.19x = 76,247,530.14
  5. Step 5: Solve for x
    x = 76,247,530.14/8,735.19
  6. Step 6: Final answer
    x = 8,728.78

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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.