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Finding the Fourth Proportional to 11,952.95, 16,494.77 and 6,916.47

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Solution

The fourth proportional to 11,952.95, 16,494.77 and 6,916.47 is: 9,544.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,952.95 : 16,494.77 = 6,916.47 : x
  2. Step 2: Convert to fraction form
    11,952.95/16,494.77 = 6,916.47/x
  3. Step 3: Cross multiply
    11,952.95x = 16,494.77 × 6,916.47
  4. Step 4: Simplify right side
    11,952.95x = 114,085,537.30
  5. Step 5: Solve for x
    x = 114,085,537.30/11,952.95
  6. Step 6: Final answer
    x = 9,544.55

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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.