Home / 7,836.24-11,751.62-3,155.04

Finding the Fourth Proportional to 7,836.24, 11,751.62 and 3,155.04

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Solution

The fourth proportional to 7,836.24, 11,751.62 and 3,155.04 is: 4,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.24 : 11,751.62 = 3,155.04 : x
  2. Step 2: Convert to fraction form
    7,836.24/11,751.62 = 3,155.04/x
  3. Step 3: Cross multiply
    7,836.24x = 11,751.62 × 3,155.04
  4. Step 4: Simplify right side
    7,836.24x = 37,076,831.16
  5. Step 5: Solve for x
    x = 37,076,831.16/7,836.24
  6. Step 6: Final answer
    x = 4,731.46

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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.