Home / 7,518.63-10,375.56-4,161.24

Finding the Fourth Proportional to 7,518.63, 10,375.56 and 4,161.24

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Solution

The fourth proportional to 7,518.63, 10,375.56 and 4,161.24 is: 5,742.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.63 : 10,375.56 = 4,161.24 : x
  2. Step 2: Convert to fraction form
    7,518.63/10,375.56 = 4,161.24/x
  3. Step 3: Cross multiply
    7,518.63x = 10,375.56 × 4,161.24
  4. Step 4: Simplify right side
    7,518.63x = 43,175,195.29
  5. Step 5: Solve for x
    x = 43,175,195.29/7,518.63
  6. Step 6: Final answer
    x = 5,742.43

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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.