Home / 11,472.22-15,824.95-7,216.57

Finding the Fourth Proportional to 11,472.22, 15,824.95 and 7,216.57

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Solution

The fourth proportional to 11,472.22, 15,824.95 and 7,216.57 is: 9,954.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472.22 : 15,824.95 = 7,216.57 : x
  2. Step 2: Convert to fraction form
    11,472.22/15,824.95 = 7,216.57/x
  3. Step 3: Cross multiply
    11,472.22x = 15,824.95 × 7,216.57
  4. Step 4: Simplify right side
    11,472.22x = 114,201,859.42
  5. Step 5: Solve for x
    x = 114,201,859.42/11,472.22
  6. Step 6: Final answer
    x = 9,954.64

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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.