Home / 11,916.85-16,446.28-6,540.33

Finding the Fourth Proportional to 11,916.85, 16,446.28 and 6,540.33

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Solution

The fourth proportional to 11,916.85, 16,446.28 and 6,540.33 is: 9,026.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.85 : 16,446.28 = 6,540.33 : x
  2. Step 2: Convert to fraction form
    11,916.85/16,446.28 = 6,540.33/x
  3. Step 3: Cross multiply
    11,916.85x = 16,446.28 × 6,540.33
  4. Step 4: Simplify right side
    11,916.85x = 107,564,054.35
  5. Step 5: Solve for x
    x = 107,564,054.35/11,916.85
  6. Step 6: Final answer
    x = 9,026.21

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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.