Home / 10,861.80-16,292.40-3,466.72

Finding the Fourth Proportional to 10,861.80, 16,292.40 and 3,466.72

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Solution

The fourth proportional to 10,861.80, 16,292.40 and 3,466.72 is: 5,199.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861.80 : 16,292.40 = 3,466.72 : x
  2. Step 2: Convert to fraction form
    10,861.80/16,292.40 = 3,466.72/x
  3. Step 3: Cross multiply
    10,861.80x = 16,292.40 × 3,466.72
  4. Step 4: Simplify right side
    10,861.80x = 56,481,188.93
  5. Step 5: Solve for x
    x = 56,481,188.93/10,861.80
  6. Step 6: Final answer
    x = 5,199.98

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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.