Home / 11,916.12-16,444.71-6,611.16

Finding the Fourth Proportional to 11,916.12, 16,444.71 and 6,611.16

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Solution

The fourth proportional to 11,916.12, 16,444.71 and 6,611.16 is: 9,123.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.12 : 16,444.71 = 6,611.16 : x
  2. Step 2: Convert to fraction form
    11,916.12/16,444.71 = 6,611.16/x
  3. Step 3: Cross multiply
    11,916.12x = 16,444.71 × 6,611.16
  4. Step 4: Simplify right side
    11,916.12x = 108,718,608.96
  5. Step 5: Solve for x
    x = 108,718,608.96/11,916.12
  6. Step 6: Final answer
    x = 9,123.66

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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.