Home / 12,867.18-19,302.18-4,100.06

Finding the Fourth Proportional to 12,867.18, 19,302.18 and 4,100.06

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Solution

The fourth proportional to 12,867.18, 19,302.18 and 4,100.06 is: 6,150.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867.18 : 19,302.18 = 4,100.06 : x
  2. Step 2: Convert to fraction form
    12,867.18/19,302.18 = 4,100.06/x
  3. Step 3: Cross multiply
    12,867.18x = 19,302.18 × 4,100.06
  4. Step 4: Simplify right side
    12,867.18x = 79,140,096.13
  5. Step 5: Solve for x
    x = 79,140,096.13/12,867.18
  6. Step 6: Final answer
    x = 6,150.54

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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.