Home / 8,104.35-11,184.01-4,378.35

Finding the Fourth Proportional to 8,104.35, 11,184.01 and 4,378.35

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Solution

The fourth proportional to 8,104.35, 11,184.01 and 4,378.35 is: 6,042.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.35 : 11,184.01 = 4,378.35 : x
  2. Step 2: Convert to fraction form
    8,104.35/11,184.01 = 4,378.35/x
  3. Step 3: Cross multiply
    8,104.35x = 11,184.01 × 4,378.35
  4. Step 4: Simplify right side
    8,104.35x = 48,967,510.18
  5. Step 5: Solve for x
    x = 48,967,510.18/8,104.35
  6. Step 6: Final answer
    x = 6,042.13

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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.