Home / 11,952.45-17,908.74-8,436.71

Finding the Fourth Proportional to 11,952.45, 17,908.74 and 8,436.71

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Solution

The fourth proportional to 11,952.45, 17,908.74 and 8,436.71 is: 12,641.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,952.45 : 17,908.74 = 8,436.71 : x
  2. Step 2: Convert to fraction form
    11,952.45/17,908.74 = 8,436.71/x
  3. Step 3: Cross multiply
    11,952.45x = 17,908.74 × 8,436.71
  4. Step 4: Simplify right side
    11,952.45x = 151,090,890.62
  5. Step 5: Solve for x
    x = 151,090,890.62/11,952.45
  6. Step 6: Final answer
    x = 12,641.00

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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.