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Finding the Fourth Proportional to 11,472.03, 17,214.12 and 9,922.10

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Solution

The fourth proportional to 11,472.03, 17,214.12 and 9,922.10 is: 14,888.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472.03 : 17,214.12 = 9,922.10 : x
  2. Step 2: Convert to fraction form
    11,472.03/17,214.12 = 9,922.10/x
  3. Step 3: Cross multiply
    11,472.03x = 17,214.12 × 9,922.10
  4. Step 4: Simplify right side
    11,472.03x = 170,800,133.98
  5. Step 5: Solve for x
    x = 170,800,133.98/11,472.03
  6. Step 6: Final answer
    x = 14,888.40

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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.