Home / 8,945.46-13,418.30-2,705.52

Finding the Fourth Proportional to 8,945.46, 13,418.30 and 2,705.52

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Solution

The fourth proportional to 8,945.46, 13,418.30 and 2,705.52 is: 4,058.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.46 : 13,418.30 = 2,705.52 : x
  2. Step 2: Convert to fraction form
    8,945.46/13,418.30 = 2,705.52/x
  3. Step 3: Cross multiply
    8,945.46x = 13,418.30 × 2,705.52
  4. Step 4: Simplify right side
    8,945.46x = 36,303,479.02
  5. Step 5: Solve for x
    x = 36,303,479.02/8,945.46
  6. Step 6: Final answer
    x = 4,058.31

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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.