Home / 8,259.60-11,399.03-4,722.12

Finding the Fourth Proportional to 8,259.60, 11,399.03 and 4,722.12

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Solution

The fourth proportional to 8,259.60, 11,399.03 and 4,722.12 is: 6,516.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.60 : 11,399.03 = 4,722.12 : x
  2. Step 2: Convert to fraction form
    8,259.60/11,399.03 = 4,722.12/x
  3. Step 3: Cross multiply
    8,259.60x = 11,399.03 × 4,722.12
  4. Step 4: Simplify right side
    8,259.60x = 53,827,587.54
  5. Step 5: Solve for x
    x = 53,827,587.54/8,259.60
  6. Step 6: Final answer
    x = 6,516.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.