Home / 7,726.80-11,632.37-5,277.12

Finding the Fourth Proportional to 7,726.80, 11,632.37 and 5,277.12

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Solution

The fourth proportional to 7,726.80, 11,632.37 and 5,277.12 is: 7,944.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.80 : 11,632.37 = 5,277.12 : x
  2. Step 2: Convert to fraction form
    7,726.80/11,632.37 = 5,277.12/x
  3. Step 3: Cross multiply
    7,726.80x = 11,632.37 × 5,277.12
  4. Step 4: Simplify right side
    7,726.80x = 61,385,385.99
  5. Step 5: Solve for x
    x = 61,385,385.99/7,726.80
  6. Step 6: Final answer
    x = 7,944.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.