Home / 8,088.66-11,160.78-5,108.58

Finding the Fourth Proportional to 8,088.66, 11,160.78 and 5,108.58

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Solution

The fourth proportional to 8,088.66, 11,160.78 and 5,108.58 is: 7,048.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088.66 : 11,160.78 = 5,108.58 : x
  2. Step 2: Convert to fraction form
    8,088.66/11,160.78 = 5,108.58/x
  3. Step 3: Cross multiply
    8,088.66x = 11,160.78 × 5,108.58
  4. Step 4: Simplify right side
    8,088.66x = 57,015,737.49
  5. Step 5: Solve for x
    x = 57,015,737.49/8,088.66
  6. Step 6: Final answer
    x = 7,048.85

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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.