Home / 10,787.85-16,178.80-6,833.17

Finding the Fourth Proportional to 10,787.85, 16,178.80 and 6,833.17

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Solution

The fourth proportional to 10,787.85, 16,178.80 and 6,833.17 is: 10,247.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.85 : 16,178.80 = 6,833.17 : x
  2. Step 2: Convert to fraction form
    10,787.85/16,178.80 = 6,833.17/x
  3. Step 3: Cross multiply
    10,787.85x = 16,178.80 × 6,833.17
  4. Step 4: Simplify right side
    10,787.85x = 110,552,490.80
  5. Step 5: Solve for x
    x = 110,552,490.80/10,787.85
  6. Step 6: Final answer
    x = 10,247.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.