Home / 11,780.55-16,257.33-6,475.32

Finding the Fourth Proportional to 11,780.55, 16,257.33 and 6,475.32

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Solution

The fourth proportional to 11,780.55, 16,257.33 and 6,475.32 is: 8,936.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.55 : 16,257.33 = 6,475.32 : x
  2. Step 2: Convert to fraction form
    11,780.55/16,257.33 = 6,475.32/x
  3. Step 3: Cross multiply
    11,780.55x = 16,257.33 × 6,475.32
  4. Step 4: Simplify right side
    11,780.55x = 105,271,414.10
  5. Step 5: Solve for x
    x = 105,271,414.10/11,780.55
  6. Step 6: Final answer
    x = 8,936.04

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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.