Home / 8,088.20-11,151.78-6,590.60

Finding the Fourth Proportional to 8,088.20, 11,151.78 and 6,590.60

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Solution

The fourth proportional to 8,088.20, 11,151.78 and 6,590.60 is: 9,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088.20 : 11,151.78 = 6,590.60 : x
  2. Step 2: Convert to fraction form
    8,088.20/11,151.78 = 6,590.60/x
  3. Step 3: Cross multiply
    8,088.20x = 11,151.78 × 6,590.60
  4. Step 4: Simplify right side
    8,088.20x = 73,496,921.27
  5. Step 5: Solve for x
    x = 73,496,921.27/8,088.20
  6. Step 6: Final answer
    x = 9,086.93

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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.