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Finding the Fourth Proportional to 11,841.66, 16,342.02 and 6,807.51

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Solution

The fourth proportional to 11,841.66, 16,342.02 and 6,807.51 is: 9,394.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,841.66 : 16,342.02 = 6,807.51 : x
  2. Step 2: Convert to fraction form
    11,841.66/16,342.02 = 6,807.51/x
  3. Step 3: Cross multiply
    11,841.66x = 16,342.02 × 6,807.51
  4. Step 4: Simplify right side
    11,841.66x = 111,248,464.57
  5. Step 5: Solve for x
    x = 111,248,464.57/11,841.66
  6. Step 6: Final answer
    x = 9,394.67

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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.