Home / 12,170.04-18,256.07-3,404.94

Finding the Fourth Proportional to 12,170.04, 18,256.07 and 3,404.94

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Solution

The fourth proportional to 12,170.04, 18,256.07 and 3,404.94 is: 5,107.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.04 : 18,256.07 = 3,404.94 : x
  2. Step 2: Convert to fraction form
    12,170.04/18,256.07 = 3,404.94/x
  3. Step 3: Cross multiply
    12,170.04x = 18,256.07 × 3,404.94
  4. Step 4: Simplify right side
    12,170.04x = 62,160,822.99
  5. Step 5: Solve for x
    x = 62,160,822.99/12,170.04
  6. Step 6: Final answer
    x = 5,107.69

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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.