Home / 10,942.96-16,419.48-6,787.84

Finding the Fourth Proportional to 10,942.96, 16,419.48 and 6,787.84

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Solution

The fourth proportional to 10,942.96, 16,419.48 and 6,787.84 is: 10,184.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,942.96 : 16,419.48 = 6,787.84 : x
  2. Step 2: Convert to fraction form
    10,942.96/16,419.48 = 6,787.84/x
  3. Step 3: Cross multiply
    10,942.96x = 16,419.48 × 6,787.84
  4. Step 4: Simplify right side
    10,942.96x = 111,452,803.12
  5. Step 5: Solve for x
    x = 111,452,803.12/10,942.96
  6. Step 6: Final answer
    x = 10,184.89

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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.