Home / 10,865.27-14,993.69-6,149.45

Finding the Fourth Proportional to 10,865.27, 14,993.69 and 6,149.45

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Solution

The fourth proportional to 10,865.27, 14,993.69 and 6,149.45 is: 8,486.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.27 : 14,993.69 = 6,149.45 : x
  2. Step 2: Convert to fraction form
    10,865.27/14,993.69 = 6,149.45/x
  3. Step 3: Cross multiply
    10,865.27x = 14,993.69 × 6,149.45
  4. Step 4: Simplify right side
    10,865.27x = 92,202,841.25
  5. Step 5: Solve for x
    x = 92,202,841.25/10,865.27
  6. Step 6: Final answer
    x = 8,486.02

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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.