Home / 8,124.46-11,217.63-5,338.06

Finding the Fourth Proportional to 8,124.46, 11,217.63 and 5,338.06

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Solution

The fourth proportional to 8,124.46, 11,217.63 and 5,338.06 is: 7,370.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.46 : 11,217.63 = 5,338.06 : x
  2. Step 2: Convert to fraction form
    8,124.46/11,217.63 = 5,338.06/x
  3. Step 3: Cross multiply
    8,124.46x = 11,217.63 × 5,338.06
  4. Step 4: Simplify right side
    8,124.46x = 59,880,382.00
  5. Step 5: Solve for x
    x = 59,880,382.00/8,124.46
  6. Step 6: Final answer
    x = 7,370.38

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Half scale
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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.