Home / 11,282.91-15,570.99-6,247.68

Finding the Fourth Proportional to 11,282.91, 15,570.99 and 6,247.68

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Solution

The fourth proportional to 11,282.91, 15,570.99 and 6,247.68 is: 8,622.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,282.91 : 15,570.99 = 6,247.68 : x
  2. Step 2: Convert to fraction form
    11,282.91/15,570.99 = 6,247.68/x
  3. Step 3: Cross multiply
    11,282.91x = 15,570.99 × 6,247.68
  4. Step 4: Simplify right side
    11,282.91x = 97,282,531.56
  5. Step 5: Solve for x
    x = 97,282,531.56/11,282.91
  6. Step 6: Final answer
    x = 8,622.12

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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.