Home / 8,200.24-11,314.38-4,665.40

Finding the Fourth Proportional to 8,200.24, 11,314.38 and 4,665.40

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Solution

The fourth proportional to 8,200.24, 11,314.38 and 4,665.40 is: 6,437.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.24 : 11,314.38 = 4,665.40 : x
  2. Step 2: Convert to fraction form
    8,200.24/11,314.38 = 4,665.40/x
  3. Step 3: Cross multiply
    8,200.24x = 11,314.38 × 4,665.40
  4. Step 4: Simplify right side
    8,200.24x = 52,786,097.66
  5. Step 5: Solve for x
    x = 52,786,097.66/8,200.24
  6. Step 6: Final answer
    x = 6,437.14

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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.