Home / 12,502.13-18,742.16-4,716.41

Finding the Fourth Proportional to 12,502.13, 18,742.16 and 4,716.41

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Solution

The fourth proportional to 12,502.13, 18,742.16 and 4,716.41 is: 7,070.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.13 : 18,742.16 = 4,716.41 : x
  2. Step 2: Convert to fraction form
    12,502.13/18,742.16 = 4,716.41/x
  3. Step 3: Cross multiply
    12,502.13x = 18,742.16 × 4,716.41
  4. Step 4: Simplify right side
    12,502.13x = 88,395,640.41
  5. Step 5: Solve for x
    x = 88,395,640.41/12,502.13
  6. Step 6: Final answer
    x = 7,070.45

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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.