Home / 12,190.07-18,292.41-5,264.57

Finding the Fourth Proportional to 12,190.07, 18,292.41 and 5,264.57

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Solution

The fourth proportional to 12,190.07, 18,292.41 and 5,264.57 is: 7,900.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190.07 : 18,292.41 = 5,264.57 : x
  2. Step 2: Convert to fraction form
    12,190.07/18,292.41 = 5,264.57/x
  3. Step 3: Cross multiply
    12,190.07x = 18,292.41 × 5,264.57
  4. Step 4: Simplify right side
    12,190.07x = 96,301,672.91
  5. Step 5: Solve for x
    x = 96,301,672.91/12,190.07
  6. Step 6: Final answer
    x = 7,900.01

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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.