Home / 12,133.63-18,207.38-6,587.43

Finding the Fourth Proportional to 12,133.63, 18,207.38 and 6,587.43

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Solution

The fourth proportional to 12,133.63, 18,207.38 and 6,587.43 is: 9,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.63 : 18,207.38 = 6,587.43 : x
  2. Step 2: Convert to fraction form
    12,133.63/18,207.38 = 6,587.43/x
  3. Step 3: Cross multiply
    12,133.63x = 18,207.38 × 6,587.43
  4. Step 4: Simplify right side
    12,133.63x = 119,939,789.42
  5. Step 5: Solve for x
    x = 119,939,789.42/12,133.63
  6. Step 6: Final answer
    x = 9,884.90

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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.