Home / 11,787.55-16,262.18-6,749.06

Finding the Fourth Proportional to 11,787.55, 16,262.18 and 6,749.06

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Solution

The fourth proportional to 11,787.55, 16,262.18 and 6,749.06 is: 9,311.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787.55 : 16,262.18 = 6,749.06 : x
  2. Step 2: Convert to fraction form
    11,787.55/16,262.18 = 6,749.06/x
  3. Step 3: Cross multiply
    11,787.55x = 16,262.18 × 6,749.06
  4. Step 4: Simplify right side
    11,787.55x = 109,754,313.49
  5. Step 5: Solve for x
    x = 109,754,313.49/11,787.55
  6. Step 6: Final answer
    x = 9,311.04

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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.