Home / 11,311.02-15,604.95-8,333.97

Finding the Fourth Proportional to 11,311.02, 15,604.95 and 8,333.97

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Solution

The fourth proportional to 11,311.02, 15,604.95 and 8,333.97 is: 11,497.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.02 : 15,604.95 = 8,333.97 : x
  2. Step 2: Convert to fraction form
    11,311.02/15,604.95 = 8,333.97/x
  3. Step 3: Cross multiply
    11,311.02x = 15,604.95 × 8,333.97
  4. Step 4: Simplify right side
    11,311.02x = 130,051,185.15
  5. Step 5: Solve for x
    x = 130,051,185.15/11,311.02
  6. Step 6: Final answer
    x = 11,497.74

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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.