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Finding the Fourth Proportional to 11,013.70, 16,472.55 and 9,852.10

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Solution

The fourth proportional to 11,013.70, 16,472.55 and 9,852.10 is: 14,735.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.70 : 16,472.55 = 9,852.10 : x
  2. Step 2: Convert to fraction form
    11,013.70/16,472.55 = 9,852.10/x
  3. Step 3: Cross multiply
    11,013.70x = 16,472.55 × 9,852.10
  4. Step 4: Simplify right side
    11,013.70x = 162,289,209.86
  5. Step 5: Solve for x
    x = 162,289,209.86/11,013.70
  6. Step 6: Final answer
    x = 14,735.21

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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.