Home / 12,458.67-18,684.33-4,665.66

Finding the Fourth Proportional to 12,458.67, 18,684.33 and 4,665.66

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Solution

The fourth proportional to 12,458.67, 18,684.33 and 4,665.66 is: 6,997.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458.67 : 18,684.33 = 4,665.66 : x
  2. Step 2: Convert to fraction form
    12,458.67/18,684.33 = 4,665.66/x
  3. Step 3: Cross multiply
    12,458.67x = 18,684.33 × 4,665.66
  4. Step 4: Simplify right side
    12,458.67x = 87,174,731.11
  5. Step 5: Solve for x
    x = 87,174,731.11/12,458.67
  6. Step 6: Final answer
    x = 6,997.11

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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.