Home / 11,123.80-16,646.13-9,582.10

Finding the Fourth Proportional to 11,123.80, 16,646.13 and 9,582.10

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Solution

The fourth proportional to 11,123.80, 16,646.13 and 9,582.10 is: 14,339.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123.80 : 16,646.13 = 9,582.10 : x
  2. Step 2: Convert to fraction form
    11,123.80/16,646.13 = 9,582.10/x
  3. Step 3: Cross multiply
    11,123.80x = 16,646.13 × 9,582.10
  4. Step 4: Simplify right side
    11,123.80x = 159,504,882.27
  5. Step 5: Solve for x
    x = 159,504,882.27/11,123.80
  6. Step 6: Final answer
    x = 14,339.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.