Home / 7,461.50-11,186.60-6,433.61

Finding the Fourth Proportional to 7,461.50, 11,186.60 and 6,433.61

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Solution

The fourth proportional to 7,461.50, 11,186.60 and 6,433.61 is: 9,645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,461.50 : 11,186.60 = 6,433.61 : x
  2. Step 2: Convert to fraction form
    7,461.50/11,186.60 = 6,433.61/x
  3. Step 3: Cross multiply
    7,461.50x = 11,186.60 × 6,433.61
  4. Step 4: Simplify right side
    7,461.50x = 71,970,133.52
  5. Step 5: Solve for x
    x = 71,970,133.52/7,461.50
  6. Step 6: Final answer
    x = 9,645.54

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Half scale
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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.