Home / 11,542.37-17,315.39-4,878.91

Finding the Fourth Proportional to 11,542.37, 17,315.39 and 4,878.91

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Solution

The fourth proportional to 11,542.37, 17,315.39 and 4,878.91 is: 7,319.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,542.37 : 17,315.39 = 4,878.91 : x
  2. Step 2: Convert to fraction form
    11,542.37/17,315.39 = 4,878.91/x
  3. Step 3: Cross multiply
    11,542.37x = 17,315.39 × 4,878.91
  4. Step 4: Simplify right side
    11,542.37x = 84,480,263.27
  5. Step 5: Solve for x
    x = 84,480,263.27/11,542.37
  6. Step 6: Final answer
    x = 7,319.15

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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.