Home / 8,109.05-11,189.81-4,573.13

Finding the Fourth Proportional to 8,109.05, 11,189.81 and 4,573.13

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Solution

The fourth proportional to 8,109.05, 11,189.81 and 4,573.13 is: 6,310.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.05 : 11,189.81 = 4,573.13 : x
  2. Step 2: Convert to fraction form
    8,109.05/11,189.81 = 4,573.13/x
  3. Step 3: Cross multiply
    8,109.05x = 11,189.81 × 4,573.13
  4. Step 4: Simplify right side
    8,109.05x = 51,172,411.29
  5. Step 5: Solve for x
    x = 51,172,411.29/8,109.05
  6. Step 6: Final answer
    x = 6,310.53

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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.