Home / 8,786.07-12,124.49-5,247.18

Finding the Fourth Proportional to 8,786.07, 12,124.49 and 5,247.18

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Solution

The fourth proportional to 8,786.07, 12,124.49 and 5,247.18 is: 7,240.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.07 : 12,124.49 = 5,247.18 : x
  2. Step 2: Convert to fraction form
    8,786.07/12,124.49 = 5,247.18/x
  3. Step 3: Cross multiply
    8,786.07x = 12,124.49 × 5,247.18
  4. Step 4: Simplify right side
    8,786.07x = 63,619,355.20
  5. Step 5: Solve for x
    x = 63,619,355.20/8,786.07
  6. Step 6: Final answer
    x = 7,240.93

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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.