Home / 12,417.35-18,625.61-5,397.36

Finding the Fourth Proportional to 12,417.35, 18,625.61 and 5,397.36

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Solution

The fourth proportional to 12,417.35, 18,625.61 and 5,397.36 is: 8,095.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,417.35 : 18,625.61 = 5,397.36 : x
  2. Step 2: Convert to fraction form
    12,417.35/18,625.61 = 5,397.36/x
  3. Step 3: Cross multiply
    12,417.35x = 18,625.61 × 5,397.36
  4. Step 4: Simplify right side
    12,417.35x = 100,529,143.22
  5. Step 5: Solve for x
    x = 100,529,143.22/12,417.35
  6. Step 6: Final answer
    x = 8,095.86

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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.