Home / 12,207.10-18,310.65-2,973.10

Finding the Fourth Proportional to 12,207.10, 18,310.65 and 2,973.10

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Solution

The fourth proportional to 12,207.10, 18,310.65 and 2,973.10 is: 4,459.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.10 : 18,310.65 = 2,973.10 : x
  2. Step 2: Convert to fraction form
    12,207.10/18,310.65 = 2,973.10/x
  3. Step 3: Cross multiply
    12,207.10x = 18,310.65 × 2,973.10
  4. Step 4: Simplify right side
    12,207.10x = 54,439,393.52
  5. Step 5: Solve for x
    x = 54,439,393.52/12,207.10
  6. Step 6: Final answer
    x = 4,459.65

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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.