Home / 12,619.36-18,924-6,040.72

Finding the Fourth Proportional to 12,619.36, 18,924 and 6,040.72

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Solution

The fourth proportional to 12,619.36, 18,924 and 6,040.72 is: 9,058.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619.36 : 18,924 = 6,040.72 : x
  2. Step 2: Convert to fraction form
    12,619.36/18,924 = 6,040.72/x
  3. Step 3: Cross multiply
    12,619.36x = 18,924 × 6,040.72
  4. Step 4: Simplify right side
    12,619.36x = 114,314,585.28
  5. Step 5: Solve for x
    x = 114,314,585.28/12,619.36
  6. Step 6: Final answer
    x = 9,058.67

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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.