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Finding the Fourth Proportional to 11,852.65, 16,356 and 7,376.26

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Solution

The fourth proportional to 11,852.65, 16,356 and 7,376.26 is: 10,178.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.65 : 16,356 = 7,376.26 : x
  2. Step 2: Convert to fraction form
    11,852.65/16,356 = 7,376.26/x
  3. Step 3: Cross multiply
    11,852.65x = 16,356 × 7,376.26
  4. Step 4: Simplify right side
    11,852.65x = 120,646,108.56
  5. Step 5: Solve for x
    x = 120,646,108.56/11,852.65
  6. Step 6: Final answer
    x = 10,178.83

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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.