Home / 11,935.18-16,470.30-6,629.68

Finding the Fourth Proportional to 11,935.18, 16,470.30 and 6,629.68

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Solution

The fourth proportional to 11,935.18, 16,470.30 and 6,629.68 is: 9,148.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.18 : 16,470.30 = 6,629.68 : x
  2. Step 2: Convert to fraction form
    11,935.18/16,470.30 = 6,629.68/x
  3. Step 3: Cross multiply
    11,935.18x = 16,470.30 × 6,629.68
  4. Step 4: Simplify right side
    11,935.18x = 109,192,818.50
  5. Step 5: Solve for x
    x = 109,192,818.50/11,935.18
  6. Step 6: Final answer
    x = 9,148.82

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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.