Home / 7,519.32-10,372.14-5,535

Finding the Fourth Proportional to 7,519.32, 10,372.14 and 5,535

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Solution

The fourth proportional to 7,519.32, 10,372.14 and 5,535 is: 7,634.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.32 : 10,372.14 = 5,535 : x
  2. Step 2: Convert to fraction form
    7,519.32/10,372.14 = 5,535/x
  3. Step 3: Cross multiply
    7,519.32x = 10,372.14 × 5,535
  4. Step 4: Simplify right side
    7,519.32x = 57,409,794.90
  5. Step 5: Solve for x
    x = 57,409,794.90/7,519.32
  6. Step 6: Final answer
    x = 7,634.97

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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.