Home / 13,372.08-18,452.97-7,403.28

Finding the Fourth Proportional to 13,372.08, 18,452.97 and 7,403.28

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Solution

The fourth proportional to 13,372.08, 18,452.97 and 7,403.28 is: 10,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372.08 : 18,452.97 = 7,403.28 : x
  2. Step 2: Convert to fraction form
    13,372.08/18,452.97 = 7,403.28/x
  3. Step 3: Cross multiply
    13,372.08x = 18,452.97 × 7,403.28
  4. Step 4: Simplify right side
    13,372.08x = 136,612,503.74
  5. Step 5: Solve for x
    x = 136,612,503.74/13,372.08
  6. Step 6: Final answer
    x = 10,216.25

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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.