Home / 10,884.61-15,020.94-6,168.79

Finding the Fourth Proportional to 10,884.61, 15,020.94 and 6,168.79

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Solution

The fourth proportional to 10,884.61, 15,020.94 and 6,168.79 is: 8,513.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,884.61 : 15,020.94 = 6,168.79 : x
  2. Step 2: Convert to fraction form
    10,884.61/15,020.94 = 6,168.79/x
  3. Step 3: Cross multiply
    10,884.61x = 15,020.94 × 6,168.79
  4. Step 4: Simplify right side
    10,884.61x = 92,661,024.46
  5. Step 5: Solve for x
    x = 92,661,024.46/10,884.61
  6. Step 6: Final answer
    x = 8,513.03

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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.