Home / 11,213.82-15,475.59-6,500.70

Finding the Fourth Proportional to 11,213.82, 15,475.59 and 6,500.70

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Solution

The fourth proportional to 11,213.82, 15,475.59 and 6,500.70 is: 8,971.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.82 : 15,475.59 = 6,500.70 : x
  2. Step 2: Convert to fraction form
    11,213.82/15,475.59 = 6,500.70/x
  3. Step 3: Cross multiply
    11,213.82x = 15,475.59 × 6,500.70
  4. Step 4: Simplify right side
    11,213.82x = 100,602,167.91
  5. Step 5: Solve for x
    x = 100,602,167.91/11,213.82
  6. Step 6: Final answer
    x = 8,971.27

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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.