Home / 11,664.81-16,097.13-6,359.72

Finding the Fourth Proportional to 11,664.81, 16,097.13 and 6,359.72

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Solution

The fourth proportional to 11,664.81, 16,097.13 and 6,359.72 is: 8,776.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,664.81 : 16,097.13 = 6,359.72 : x
  2. Step 2: Convert to fraction form
    11,664.81/16,097.13 = 6,359.72/x
  3. Step 3: Cross multiply
    11,664.81x = 16,097.13 × 6,359.72
  4. Step 4: Simplify right side
    11,664.81x = 102,373,159.12
  5. Step 5: Solve for x
    x = 102,373,159.12/11,664.81
  6. Step 6: Final answer
    x = 8,776.24

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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.