Home / 6,666.74-9,996.75-2,222.83

Finding the Fourth Proportional to 6,666.74, 9,996.75 and 2,222.83

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Solution

The fourth proportional to 6,666.74, 9,996.75 and 2,222.83 is: 3,333.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.74 : 9,996.75 = 2,222.83 : x
  2. Step 2: Convert to fraction form
    6,666.74/9,996.75 = 2,222.83/x
  3. Step 3: Cross multiply
    6,666.74x = 9,996.75 × 2,222.83
  4. Step 4: Simplify right side
    6,666.74x = 22,221,075.80
  5. Step 5: Solve for x
    x = 22,221,075.80/6,666.74
  6. Step 6: Final answer
    x = 3,333.12

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Half scale
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Double scale
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Similar ratio
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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.