Home / 7,656.46-11,485.50-2,726.56

Finding the Fourth Proportional to 7,656.46, 11,485.50 and 2,726.56

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Solution

The fourth proportional to 7,656.46, 11,485.50 and 2,726.56 is: 4,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656.46 : 11,485.50 = 2,726.56 : x
  2. Step 2: Convert to fraction form
    7,656.46/11,485.50 = 2,726.56/x
  3. Step 3: Cross multiply
    7,656.46x = 11,485.50 × 2,726.56
  4. Step 4: Simplify right side
    7,656.46x = 31,315,904.88
  5. Step 5: Solve for x
    x = 31,315,904.88/7,656.46
  6. Step 6: Final answer
    x = 4,090.13

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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.