Home / 7,726.74-11,583.63-3,108.66

Finding the Fourth Proportional to 7,726.74, 11,583.63 and 3,108.66

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Solution

The fourth proportional to 7,726.74, 11,583.63 and 3,108.66 is: 4,660.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.74 : 11,583.63 = 3,108.66 : x
  2. Step 2: Convert to fraction form
    7,726.74/11,583.63 = 3,108.66/x
  3. Step 3: Cross multiply
    7,726.74x = 11,583.63 × 3,108.66
  4. Step 4: Simplify right side
    7,726.74x = 36,009,567.24
  5. Step 5: Solve for x
    x = 36,009,567.24/7,726.74
  6. Step 6: Final answer
    x = 4,660.38

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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.