Home / 11,311.29-16,946.87-4,722.98

Finding the Fourth Proportional to 11,311.29, 16,946.87 and 4,722.98

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Solution

The fourth proportional to 11,311.29, 16,946.87 and 4,722.98 is: 7,076.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.29 : 16,946.87 = 4,722.98 : x
  2. Step 2: Convert to fraction form
    11,311.29/16,946.87 = 4,722.98/x
  3. Step 3: Cross multiply
    11,311.29x = 16,946.87 × 4,722.98
  4. Step 4: Simplify right side
    11,311.29x = 80,039,619.72
  5. Step 5: Solve for x
    x = 80,039,619.72/11,311.29
  6. Step 6: Final answer
    x = 7,076.08

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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.