Home / 10,120.58-15,200.88-6,126.04

Finding the Fourth Proportional to 10,120.58, 15,200.88 and 6,126.04

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Solution

The fourth proportional to 10,120.58, 15,200.88 and 6,126.04 is: 9,201.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.58 : 15,200.88 = 6,126.04 : x
  2. Step 2: Convert to fraction form
    10,120.58/15,200.88 = 6,126.04/x
  3. Step 3: Cross multiply
    10,120.58x = 15,200.88 × 6,126.04
  4. Step 4: Simplify right side
    10,120.58x = 93,121,198.92
  5. Step 5: Solve for x
    x = 93,121,198.92/10,120.58
  6. Step 6: Final answer
    x = 9,201.17

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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.