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Finding the Fourth Proportional to 8,068.36, 12,106.86 and 6,124.36

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Solution

The fourth proportional to 8,068.36, 12,106.86 and 6,124.36 is: 9,189.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.36 : 12,106.86 = 6,124.36 : x
  2. Step 2: Convert to fraction form
    8,068.36/12,106.86 = 6,124.36/x
  3. Step 3: Cross multiply
    8,068.36x = 12,106.86 × 6,124.36
  4. Step 4: Simplify right side
    8,068.36x = 74,146,769.11
  5. Step 5: Solve for x
    x = 74,146,769.11/8,068.36
  6. Step 6: Final answer
    x = 9,189.82

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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.