Home / 10,753.61-16,136.55-4,178.94

Finding the Fourth Proportional to 10,753.61, 16,136.55 and 4,178.94

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Solution

The fourth proportional to 10,753.61, 16,136.55 and 4,178.94 is: 6,270.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,753.61 : 16,136.55 = 4,178.94 : x
  2. Step 2: Convert to fraction form
    10,753.61/16,136.55 = 4,178.94/x
  3. Step 3: Cross multiply
    10,753.61x = 16,136.55 × 4,178.94
  4. Step 4: Simplify right side
    10,753.61x = 67,433,674.26
  5. Step 5: Solve for x
    x = 67,433,674.26/10,753.61
  6. Step 6: Final answer
    x = 6,270.79

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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.