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Finding the Fourth Proportional to 12,012.39, 16,576.39 and 6,707.54

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Solution

The fourth proportional to 12,012.39, 16,576.39 and 6,707.54 is: 9,256.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012.39 : 16,576.39 = 6,707.54 : x
  2. Step 2: Convert to fraction form
    12,012.39/16,576.39 = 6,707.54/x
  3. Step 3: Cross multiply
    12,012.39x = 16,576.39 × 6,707.54
  4. Step 4: Simplify right side
    12,012.39x = 111,186,798.98
  5. Step 5: Solve for x
    x = 111,186,798.98/12,012.39
  6. Step 6: Final answer
    x = 9,256.01

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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.