Home / 11,930.23-16,463.91-6,553.16

Finding the Fourth Proportional to 11,930.23, 16,463.91 and 6,553.16

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Solution

The fourth proportional to 11,930.23, 16,463.91 and 6,553.16 is: 9,043.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.23 : 16,463.91 = 6,553.16 : x
  2. Step 2: Convert to fraction form
    11,930.23/16,463.91 = 6,553.16/x
  3. Step 3: Cross multiply
    11,930.23x = 16,463.91 × 6,553.16
  4. Step 4: Simplify right side
    11,930.23x = 107,890,689.90
  5. Step 5: Solve for x
    x = 107,890,689.90/11,930.23
  6. Step 6: Final answer
    x = 9,043.47

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1.5x scale

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.