Home / 7,655.36-11,483.27-2,108.79

Finding the Fourth Proportional to 7,655.36, 11,483.27 and 2,108.79

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Solution

The fourth proportional to 7,655.36, 11,483.27 and 2,108.79 is: 3,163.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.36 : 11,483.27 = 2,108.79 : x
  2. Step 2: Convert to fraction form
    7,655.36/11,483.27 = 2,108.79/x
  3. Step 3: Cross multiply
    7,655.36x = 11,483.27 × 2,108.79
  4. Step 4: Simplify right side
    7,655.36x = 24,215,794.40
  5. Step 5: Solve for x
    x = 24,215,794.40/7,655.36
  6. Step 6: Final answer
    x = 3,163.25

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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.