Home / 12,327.35-17,011.75-6,662.10

Finding the Fourth Proportional to 12,327.35, 17,011.75 and 6,662.10

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Solution

The fourth proportional to 12,327.35, 17,011.75 and 6,662.10 is: 9,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327.35 : 17,011.75 = 6,662.10 : x
  2. Step 2: Convert to fraction form
    12,327.35/17,011.75 = 6,662.10/x
  3. Step 3: Cross multiply
    12,327.35x = 17,011.75 × 6,662.10
  4. Step 4: Simplify right side
    12,327.35x = 113,333,979.68
  5. Step 5: Solve for x
    x = 113,333,979.68/12,327.35
  6. Step 6: Final answer
    x = 9,193.70

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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.