Home / 6,112.76-9,169.12-4,160.12

Finding the Fourth Proportional to 6,112.76, 9,169.12 and 4,160.12

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Solution

The fourth proportional to 6,112.76, 9,169.12 and 4,160.12 is: 6,240.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.76 : 9,169.12 = 4,160.12 : x
  2. Step 2: Convert to fraction form
    6,112.76/9,169.12 = 4,160.12/x
  3. Step 3: Cross multiply
    6,112.76x = 9,169.12 × 4,160.12
  4. Step 4: Simplify right side
    6,112.76x = 38,144,639.49
  5. Step 5: Solve for x
    x = 38,144,639.49/6,112.76
  6. Step 6: Final answer
    x = 6,240.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.