Home / 11,022.62-15,211.97-6,242.50

Finding the Fourth Proportional to 11,022.62, 15,211.97 and 6,242.50

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Solution

The fourth proportional to 11,022.62, 15,211.97 and 6,242.50 is: 8,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.62 : 15,211.97 = 6,242.50 : x
  2. Step 2: Convert to fraction form
    11,022.62/15,211.97 = 6,242.50/x
  3. Step 3: Cross multiply
    11,022.62x = 15,211.97 × 6,242.50
  4. Step 4: Simplify right side
    11,022.62x = 94,960,733.94
  5. Step 5: Solve for x
    x = 94,960,733.94/11,022.62
  6. Step 6: Final answer
    x = 8,615.08

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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.