Home / 8,107.66-11,189.61-4,572.01

Finding the Fourth Proportional to 8,107.66, 11,189.61 and 4,572.01

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Solution

The fourth proportional to 8,107.66, 11,189.61 and 4,572.01 is: 6,309.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.66 : 11,189.61 = 4,572.01 : x
  2. Step 2: Convert to fraction form
    8,107.66/11,189.61 = 4,572.01/x
  3. Step 3: Cross multiply
    8,107.66x = 11,189.61 × 4,572.01
  4. Step 4: Simplify right side
    8,107.66x = 51,159,008.82
  5. Step 5: Solve for x
    x = 51,159,008.82/8,107.66
  6. Step 6: Final answer
    x = 6,309.96

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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.