Home / 7,518.29-11,280.02-3,361.16

Finding the Fourth Proportional to 7,518.29, 11,280.02 and 3,361.16

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Solution

The fourth proportional to 7,518.29, 11,280.02 and 3,361.16 is: 5,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.29 : 11,280.02 = 3,361.16 : x
  2. Step 2: Convert to fraction form
    7,518.29/11,280.02 = 3,361.16/x
  3. Step 3: Cross multiply
    7,518.29x = 11,280.02 × 3,361.16
  4. Step 4: Simplify right side
    7,518.29x = 37,913,963.42
  5. Step 5: Solve for x
    x = 37,913,963.42/7,518.29
  6. Step 6: Final answer
    x = 5,042.90

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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.