Home / 8,797.07-12,139.51-4,817.41

Finding the Fourth Proportional to 8,797.07, 12,139.51 and 4,817.41

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Solution

The fourth proportional to 8,797.07, 12,139.51 and 4,817.41 is: 6,647.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.07 : 12,139.51 = 4,817.41 : x
  2. Step 2: Convert to fraction form
    8,797.07/12,139.51 = 4,817.41/x
  3. Step 3: Cross multiply
    8,797.07x = 12,139.51 × 4,817.41
  4. Step 4: Simplify right side
    8,797.07x = 58,481,003.13
  5. Step 5: Solve for x
    x = 58,481,003.13/8,797.07
  6. Step 6: Final answer
    x = 6,647.78

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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.