Home / 8,138.27-11,230.81-4,601.45

Finding the Fourth Proportional to 8,138.27, 11,230.81 and 4,601.45

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Solution

The fourth proportional to 8,138.27, 11,230.81 and 4,601.45 is: 6,350.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138.27 : 11,230.81 = 4,601.45 : x
  2. Step 2: Convert to fraction form
    8,138.27/11,230.81 = 4,601.45/x
  3. Step 3: Cross multiply
    8,138.27x = 11,230.81 × 4,601.45
  4. Step 4: Simplify right side
    8,138.27x = 51,678,010.67
  5. Step 5: Solve for x
    x = 51,678,010.67/8,138.27
  6. Step 6: Final answer
    x = 6,350.00

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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.