Home / 12,476.13-18,707.97-4,153.26

Finding the Fourth Proportional to 12,476.13, 18,707.97 and 4,153.26

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Solution

The fourth proportional to 12,476.13, 18,707.97 and 4,153.26 is: 6,227.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.13 : 18,707.97 = 4,153.26 : x
  2. Step 2: Convert to fraction form
    12,476.13/18,707.97 = 4,153.26/x
  3. Step 3: Cross multiply
    12,476.13x = 18,707.97 × 4,153.26
  4. Step 4: Simplify right side
    12,476.13x = 77,699,063.48
  5. Step 5: Solve for x
    x = 77,699,063.48/12,476.13
  6. Step 6: Final answer
    x = 6,227.82

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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.