Home / 13,371.58-18,452.56-7,403.12

Finding the Fourth Proportional to 13,371.58, 18,452.56 and 7,403.12

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Solution

The fourth proportional to 13,371.58, 18,452.56 and 7,403.12 is: 10,216.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.58 : 18,452.56 = 7,403.12 : x
  2. Step 2: Convert to fraction form
    13,371.58/18,452.56 = 7,403.12/x
  3. Step 3: Cross multiply
    13,371.58x = 18,452.56 × 7,403.12
  4. Step 4: Simplify right side
    13,371.58x = 136,606,515.99
  5. Step 5: Solve for x
    x = 136,606,515.99/13,371.58
  6. Step 6: Final answer
    x = 10,216.18

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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.