Home / 8,385.39-11,571.77-4,608.59

Finding the Fourth Proportional to 8,385.39, 11,571.77 and 4,608.59

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Solution

The fourth proportional to 8,385.39, 11,571.77 and 4,608.59 is: 6,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.39 : 11,571.77 = 4,608.59 : x
  2. Step 2: Convert to fraction form
    8,385.39/11,571.77 = 4,608.59/x
  3. Step 3: Cross multiply
    8,385.39x = 11,571.77 × 4,608.59
  4. Step 4: Simplify right side
    8,385.39x = 53,329,462.60
  5. Step 5: Solve for x
    x = 53,329,462.60/8,385.39
  6. Step 6: Final answer
    x = 6,359.81

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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.