Home / 11,152.49-16,718.81-4,231.85

Finding the Fourth Proportional to 11,152.49, 16,718.81 and 4,231.85

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Solution

The fourth proportional to 11,152.49, 16,718.81 and 4,231.85 is: 6,344.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.49 : 16,718.81 = 4,231.85 : x
  2. Step 2: Convert to fraction form
    11,152.49/16,718.81 = 4,231.85/x
  3. Step 3: Cross multiply
    11,152.49x = 16,718.81 × 4,231.85
  4. Step 4: Simplify right side
    11,152.49x = 70,751,391.35
  5. Step 5: Solve for x
    x = 70,751,391.35/11,152.49
  6. Step 6: Final answer
    x = 6,344.00

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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.