Home / 12,207.07-18,310.60-2,973.07

Finding the Fourth Proportional to 12,207.07, 18,310.60 and 2,973.07

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Solution

The fourth proportional to 12,207.07, 18,310.60 and 2,973.07 is: 4,459.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.07 : 18,310.60 = 2,973.07 : x
  2. Step 2: Convert to fraction form
    12,207.07/18,310.60 = 2,973.07/x
  3. Step 3: Cross multiply
    12,207.07x = 18,310.60 × 2,973.07
  4. Step 4: Simplify right side
    12,207.07x = 54,438,695.54
  5. Step 5: Solve for x
    x = 54,438,695.54/12,207.07
  6. Step 6: Final answer
    x = 4,459.60

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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.