Home / 11,780.16-16,257.36-6,475.44

Finding the Fourth Proportional to 11,780.16, 16,257.36 and 6,475.44

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Solution

The fourth proportional to 11,780.16, 16,257.36 and 6,475.44 is: 8,936.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.16 : 16,257.36 = 6,475.44 : x
  2. Step 2: Convert to fraction form
    11,780.16/16,257.36 = 6,475.44/x
  3. Step 3: Cross multiply
    11,780.16x = 16,257.36 × 6,475.44
  4. Step 4: Simplify right side
    11,780.16x = 105,273,559.24
  5. Step 5: Solve for x
    x = 105,273,559.24/11,780.16
  6. Step 6: Final answer
    x = 8,936.51

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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.