Home / 10,753.72-16,127.34-4,178.44

Finding the Fourth Proportional to 10,753.72, 16,127.34 and 4,178.44

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Solution

The fourth proportional to 10,753.72, 16,127.34 and 4,178.44 is: 6,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,753.72 : 16,127.34 = 4,178.44 : x
  2. Step 2: Convert to fraction form
    10,753.72/16,127.34 = 4,178.44/x
  3. Step 3: Cross multiply
    10,753.72x = 16,127.34 × 4,178.44
  4. Step 4: Simplify right side
    10,753.72x = 67,387,122.55
  5. Step 5: Solve for x
    x = 67,387,122.55/10,753.72
  6. Step 6: Final answer
    x = 6,266.40

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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.