Home / 11,179.35-15,426.58-6,143.31

Finding the Fourth Proportional to 11,179.35, 15,426.58 and 6,143.31

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Solution

The fourth proportional to 11,179.35, 15,426.58 and 6,143.31 is: 8,477.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.35 : 15,426.58 = 6,143.31 : x
  2. Step 2: Convert to fraction form
    11,179.35/15,426.58 = 6,143.31/x
  3. Step 3: Cross multiply
    11,179.35x = 15,426.58 × 6,143.31
  4. Step 4: Simplify right side
    11,179.35x = 94,770,263.18
  5. Step 5: Solve for x
    x = 94,770,263.18/11,179.35
  6. Step 6: Final answer
    x = 8,477.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.