Home / 10,768.85-16,141.73-4,102.14

Finding the Fourth Proportional to 10,768.85, 16,141.73 and 4,102.14

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Solution

The fourth proportional to 10,768.85, 16,141.73 and 4,102.14 is: 6,148.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,768.85 : 16,141.73 = 4,102.14 : x
  2. Step 2: Convert to fraction form
    10,768.85/16,141.73 = 4,102.14/x
  3. Step 3: Cross multiply
    10,768.85x = 16,141.73 × 4,102.14
  4. Step 4: Simplify right side
    10,768.85x = 66,215,699.40
  5. Step 5: Solve for x
    x = 66,215,699.40/10,768.85
  6. Step 6: Final answer
    x = 6,148.82

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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.