Home / 12,859.17-19,292.22-5,360.23

Finding the Fourth Proportional to 12,859.17, 19,292.22 and 5,360.23

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Solution

The fourth proportional to 12,859.17, 19,292.22 and 5,360.23 is: 8,041.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859.17 : 19,292.22 = 5,360.23 : x
  2. Step 2: Convert to fraction form
    12,859.17/19,292.22 = 5,360.23/x
  3. Step 3: Cross multiply
    12,859.17x = 19,292.22 × 5,360.23
  4. Step 4: Simplify right side
    12,859.17x = 103,410,771.57
  5. Step 5: Solve for x
    x = 103,410,771.57/12,859.17
  6. Step 6: Final answer
    x = 8,041.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.