Home / 11,319.41-15,620.90-6,846.17

Finding the Fourth Proportional to 11,319.41, 15,620.90 and 6,846.17

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Solution

The fourth proportional to 11,319.41, 15,620.90 and 6,846.17 is: 9,447.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.41 : 15,620.90 = 6,846.17 : x
  2. Step 2: Convert to fraction form
    11,319.41/15,620.90 = 6,846.17/x
  3. Step 3: Cross multiply
    11,319.41x = 15,620.90 × 6,846.17
  4. Step 4: Simplify right side
    11,319.41x = 106,943,224.62
  5. Step 5: Solve for x
    x = 106,943,224.62/11,319.41
  6. Step 6: Final answer
    x = 9,447.77

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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.