Home / 8,151.36-11,248.70-4,614.50

Finding the Fourth Proportional to 8,151.36, 11,248.70 and 4,614.50

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Solution

The fourth proportional to 8,151.36, 11,248.70 and 4,614.50 is: 6,367.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.36 : 11,248.70 = 4,614.50 : x
  2. Step 2: Convert to fraction form
    8,151.36/11,248.70 = 4,614.50/x
  3. Step 3: Cross multiply
    8,151.36x = 11,248.70 × 4,614.50
  4. Step 4: Simplify right side
    8,151.36x = 51,907,046.83
  5. Step 5: Solve for x
    x = 51,907,046.83/8,151.36
  6. Step 6: Final answer
    x = 6,367.90

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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.