Home / 11,777.79-16,253.25-6,472.70

Finding the Fourth Proportional to 11,777.79, 16,253.25 and 6,472.70

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Solution

The fourth proportional to 11,777.79, 16,253.25 and 6,472.70 is: 8,932.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.79 : 16,253.25 = 6,472.70 : x
  2. Step 2: Convert to fraction form
    11,777.79/16,253.25 = 6,472.70/x
  3. Step 3: Cross multiply
    11,777.79x = 16,253.25 × 6,472.70
  4. Step 4: Simplify right side
    11,777.79x = 105,202,411.28
  5. Step 5: Solve for x
    x = 105,202,411.28/11,777.79
  6. Step 6: Final answer
    x = 8,932.27

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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.