Home / 10,853.43-14,977.20-6,137.61

Finding the Fourth Proportional to 10,853.43, 14,977.20 and 6,137.61

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Solution

The fourth proportional to 10,853.43, 14,977.20 and 6,137.61 is: 8,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,853.43 : 14,977.20 = 6,137.61 : x
  2. Step 2: Convert to fraction form
    10,853.43/14,977.20 = 6,137.61/x
  3. Step 3: Cross multiply
    10,853.43x = 14,977.20 × 6,137.61
  4. Step 4: Simplify right side
    10,853.43x = 91,924,212.49
  5. Step 5: Solve for x
    x = 91,924,212.49/10,853.43
  6. Step 6: Final answer
    x = 8,469.60

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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.