Home / 9,105.70-12,566.46-5,126.44

Finding the Fourth Proportional to 9,105.70, 12,566.46 and 5,126.44

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Solution

The fourth proportional to 9,105.70, 12,566.46 and 5,126.44 is: 7,074.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,105.70 : 12,566.46 = 5,126.44 : x
  2. Step 2: Convert to fraction form
    9,105.70/12,566.46 = 5,126.44/x
  3. Step 3: Cross multiply
    9,105.70x = 12,566.46 × 5,126.44
  4. Step 4: Simplify right side
    9,105.70x = 64,421,203.20
  5. Step 5: Solve for x
    x = 64,421,203.20/9,105.70
  6. Step 6: Final answer
    x = 7,074.82

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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.