Home / 7,419.21-10,238.25-4,433.26

Finding the Fourth Proportional to 7,419.21, 10,238.25 and 4,433.26

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Solution

The fourth proportional to 7,419.21, 10,238.25 and 4,433.26 is: 6,117.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.21 : 10,238.25 = 4,433.26 : x
  2. Step 2: Convert to fraction form
    7,419.21/10,238.25 = 4,433.26/x
  3. Step 3: Cross multiply
    7,419.21x = 10,238.25 × 4,433.26
  4. Step 4: Simplify right side
    7,419.21x = 45,388,824.20
  5. Step 5: Solve for x
    x = 45,388,824.20/7,419.21
  6. Step 6: Final answer
    x = 6,117.74

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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.