Home / 11,931.12-16,464.42-6,625.52

Finding the Fourth Proportional to 11,931.12, 16,464.42 and 6,625.52

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Solution

The fourth proportional to 11,931.12, 16,464.42 and 6,625.52 is: 9,142.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.12 : 16,464.42 = 6,625.52 : x
  2. Step 2: Convert to fraction form
    11,931.12/16,464.42 = 6,625.52/x
  3. Step 3: Cross multiply
    11,931.12x = 16,464.42 × 6,625.52
  4. Step 4: Simplify right side
    11,931.12x = 109,085,344.00
  5. Step 5: Solve for x
    x = 109,085,344.00/11,931.12
  6. Step 6: Final answer
    x = 9,142.93

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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.