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Finding the Fourth Proportional to 11,222.58, 16,810.92 and 9,006.42

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Solution

The fourth proportional to 11,222.58, 16,810.92 and 9,006.42 is: 13,491.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.58 : 16,810.92 = 9,006.42 : x
  2. Step 2: Convert to fraction form
    11,222.58/16,810.92 = 9,006.42/x
  3. Step 3: Cross multiply
    11,222.58x = 16,810.92 × 9,006.42
  4. Step 4: Simplify right side
    11,222.58x = 151,406,206.11
  5. Step 5: Solve for x
    x = 151,406,206.11/11,222.58
  6. Step 6: Final answer
    x = 13,491.21

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1.5x scale

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.