Home / 8,109.04-11,190.14-4,572.58

Finding the Fourth Proportional to 8,109.04, 11,190.14 and 4,572.58

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Solution

The fourth proportional to 8,109.04, 11,190.14 and 4,572.58 is: 6,309.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.04 : 11,190.14 = 4,572.58 : x
  2. Step 2: Convert to fraction form
    8,109.04/11,190.14 = 4,572.58/x
  3. Step 3: Cross multiply
    8,109.04x = 11,190.14 × 4,572.58
  4. Step 4: Simplify right side
    8,109.04x = 51,167,787.50
  5. Step 5: Solve for x
    x = 51,167,787.50/8,109.04
  6. Step 6: Final answer
    x = 6,309.97

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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.