Home / 11,823.17-16,315.63-6,787.60

Finding the Fourth Proportional to 11,823.17, 16,315.63 and 6,787.60

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Solution

The fourth proportional to 11,823.17, 16,315.63 and 6,787.60 is: 9,366.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.17 : 16,315.63 = 6,787.60 : x
  2. Step 2: Convert to fraction form
    11,823.17/16,315.63 = 6,787.60/x
  3. Step 3: Cross multiply
    11,823.17x = 16,315.63 × 6,787.60
  4. Step 4: Simplify right side
    11,823.17x = 110,743,912.43
  5. Step 5: Solve for x
    x = 110,743,912.43/11,823.17
  6. Step 6: Final answer
    x = 9,366.69

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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.