Home / 8,370.16-11,550.18-4,831

Finding the Fourth Proportional to 8,370.16, 11,550.18 and 4,831

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Solution

The fourth proportional to 8,370.16, 11,550.18 and 4,831 is: 6,666.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.16 : 11,550.18 = 4,831 : x
  2. Step 2: Convert to fraction form
    8,370.16/11,550.18 = 4,831/x
  3. Step 3: Cross multiply
    8,370.16x = 11,550.18 × 4,831
  4. Step 4: Simplify right side
    8,370.16x = 55,798,919.58
  5. Step 5: Solve for x
    x = 55,798,919.58/8,370.16
  6. Step 6: Final answer
    x = 6,666.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.