Home / 8,836.68-13,255-4,153.76

Finding the Fourth Proportional to 8,836.68, 13,255 and 4,153.76

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Solution

The fourth proportional to 8,836.68, 13,255 and 4,153.76 is: 6,230.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.68 : 13,255 = 4,153.76 : x
  2. Step 2: Convert to fraction form
    8,836.68/13,255 = 4,153.76/x
  3. Step 3: Cross multiply
    8,836.68x = 13,255 × 4,153.76
  4. Step 4: Simplify right side
    8,836.68x = 55,058,088.80
  5. Step 5: Solve for x
    x = 55,058,088.80/8,836.68
  6. Step 6: Final answer
    x = 6,230.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.