Home / 11,916.54-16,444.08-6,611.04

Finding the Fourth Proportional to 11,916.54, 16,444.08 and 6,611.04

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Solution

The fourth proportional to 11,916.54, 16,444.08 and 6,611.04 is: 9,122.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.54 : 16,444.08 = 6,611.04 : x
  2. Step 2: Convert to fraction form
    11,916.54/16,444.08 = 6,611.04/x
  3. Step 3: Cross multiply
    11,916.54x = 16,444.08 × 6,611.04
  4. Step 4: Simplify right side
    11,916.54x = 108,712,470.64
  5. Step 5: Solve for x
    x = 108,712,470.64/11,916.54
  6. Step 6: Final answer
    x = 9,122.82

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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.