Home / 12,011.11-16,575.51-6,706.33

Finding the Fourth Proportional to 12,011.11, 16,575.51 and 6,706.33

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Solution

The fourth proportional to 12,011.11, 16,575.51 and 6,706.33 is: 9,254.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011.11 : 16,575.51 = 6,706.33 : x
  2. Step 2: Convert to fraction form
    12,011.11/16,575.51 = 6,706.33/x
  3. Step 3: Cross multiply
    12,011.11x = 16,575.51 × 6,706.33
  4. Step 4: Simplify right side
    12,011.11x = 111,160,839.98
  5. Step 5: Solve for x
    x = 111,160,839.98/12,011.11
  6. Step 6: Final answer
    x = 9,254.83

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Half scale
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Double scale
Find fourth proportional to 12,012.11, 16,576.89 and 6,707.33
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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.