Home / 7,342.89-10,138.46-4,514.06

Finding the Fourth Proportional to 7,342.89, 10,138.46 and 4,514.06

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Solution

The fourth proportional to 7,342.89, 10,138.46 and 4,514.06 is: 6,232.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.89 : 10,138.46 = 4,514.06 : x
  2. Step 2: Convert to fraction form
    7,342.89/10,138.46 = 4,514.06/x
  3. Step 3: Cross multiply
    7,342.89x = 10,138.46 × 4,514.06
  4. Step 4: Simplify right side
    7,342.89x = 45,765,644.92
  5. Step 5: Solve for x
    x = 45,765,644.92/7,342.89
  6. Step 6: Final answer
    x = 6,232.64

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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.