Home / 10,963.55-15,129.13-6,183.35

Finding the Fourth Proportional to 10,963.55, 15,129.13 and 6,183.35

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Solution

The fourth proportional to 10,963.55, 15,129.13 and 6,183.35 is: 8,532.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.55 : 15,129.13 = 6,183.35 : x
  2. Step 2: Convert to fraction form
    10,963.55/15,129.13 = 6,183.35/x
  3. Step 3: Cross multiply
    10,963.55x = 15,129.13 × 6,183.35
  4. Step 4: Simplify right side
    10,963.55x = 93,548,768.31
  5. Step 5: Solve for x
    x = 93,548,768.31/10,963.55
  6. Step 6: Final answer
    x = 8,532.71

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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.