Home / 11,232.40-15,500.96-6,196.78

Finding the Fourth Proportional to 11,232.40, 15,500.96 and 6,196.78

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Solution

The fourth proportional to 11,232.40, 15,500.96 and 6,196.78 is: 8,551.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,232.40 : 15,500.96 = 6,196.78 : x
  2. Step 2: Convert to fraction form
    11,232.40/15,500.96 = 6,196.78/x
  3. Step 3: Cross multiply
    11,232.40x = 15,500.96 × 6,196.78
  4. Step 4: Simplify right side
    11,232.40x = 96,056,038.91
  5. Step 5: Solve for x
    x = 96,056,038.91/11,232.40
  6. Step 6: Final answer
    x = 8,551.69

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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.