Home / 12,011.05-16,573.70-6,706.09

Finding the Fourth Proportional to 12,011.05, 16,573.70 and 6,706.09

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Solution

The fourth proportional to 12,011.05, 16,573.70 and 6,706.09 is: 9,253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011.05 : 16,573.70 = 6,706.09 : x
  2. Step 2: Convert to fraction form
    12,011.05/16,573.70 = 6,706.09/x
  3. Step 3: Cross multiply
    12,011.05x = 16,573.70 × 6,706.09
  4. Step 4: Simplify right side
    12,011.05x = 111,144,690.30
  5. Step 5: Solve for x
    x = 111,144,690.30/12,011.05
  6. Step 6: Final answer
    x = 9,253.54

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Half scale
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Double scale
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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.