Home / 8,106.83-12,148.09-6,255.17

Finding the Fourth Proportional to 8,106.83, 12,148.09 and 6,255.17

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Solution

The fourth proportional to 8,106.83, 12,148.09 and 6,255.17 is: 9,373.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.83 : 12,148.09 = 6,255.17 : x
  2. Step 2: Convert to fraction form
    8,106.83/12,148.09 = 6,255.17/x
  3. Step 3: Cross multiply
    8,106.83x = 12,148.09 × 6,255.17
  4. Step 4: Simplify right side
    8,106.83x = 75,988,368.13
  5. Step 5: Solve for x
    x = 75,988,368.13/8,106.83
  6. Step 6: Final answer
    x = 9,373.38

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1.5x scale

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.