Home / 7,564.39-11,335.88-3,612.47

Finding the Fourth Proportional to 7,564.39, 11,335.88 and 3,612.47

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Solution

The fourth proportional to 7,564.39, 11,335.88 and 3,612.47 is: 5,413.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,564.39 : 11,335.88 = 3,612.47 : x
  2. Step 2: Convert to fraction form
    7,564.39/11,335.88 = 3,612.47/x
  3. Step 3: Cross multiply
    7,564.39x = 11,335.88 × 3,612.47
  4. Step 4: Simplify right side
    7,564.39x = 40,950,478.78
  5. Step 5: Solve for x
    x = 40,950,478.78/7,564.39
  6. Step 6: Final answer
    x = 5,413.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.