Home / 11,170.46-16,730.18-5,331.17

Finding the Fourth Proportional to 11,170.46, 16,730.18 and 5,331.17

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Solution

The fourth proportional to 11,170.46, 16,730.18 and 5,331.17 is: 7,984.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,170.46 : 16,730.18 = 5,331.17 : x
  2. Step 2: Convert to fraction form
    11,170.46/16,730.18 = 5,331.17/x
  3. Step 3: Cross multiply
    11,170.46x = 16,730.18 × 5,331.17
  4. Step 4: Simplify right side
    11,170.46x = 89,191,323.40
  5. Step 5: Solve for x
    x = 89,191,323.40/11,170.46
  6. Step 6: Final answer
    x = 7,984.57

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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.