Home / 11,929.93-16,463.05-6,624.43

Finding the Fourth Proportional to 11,929.93, 16,463.05 and 6,624.43

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Solution

The fourth proportional to 11,929.93, 16,463.05 and 6,624.43 is: 9,141.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.93 : 16,463.05 = 6,624.43 : x
  2. Step 2: Convert to fraction form
    11,929.93/16,463.05 = 6,624.43/x
  3. Step 3: Cross multiply
    11,929.93x = 16,463.05 × 6,624.43
  4. Step 4: Simplify right side
    11,929.93x = 109,058,322.31
  5. Step 5: Solve for x
    x = 109,058,322.31/11,929.93
  6. Step 6: Final answer
    x = 9,141.57

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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.