Home / 12,330.24-18,490.72-4,008.12

Finding the Fourth Proportional to 12,330.24, 18,490.72 and 4,008.12

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Solution

The fourth proportional to 12,330.24, 18,490.72 and 4,008.12 is: 6,010.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.24 : 18,490.72 = 4,008.12 : x
  2. Step 2: Convert to fraction form
    12,330.24/18,490.72 = 4,008.12/x
  3. Step 3: Cross multiply
    12,330.24x = 18,490.72 × 4,008.12
  4. Step 4: Simplify right side
    12,330.24x = 74,113,024.65
  5. Step 5: Solve for x
    x = 74,113,024.65/12,330.24
  6. Step 6: Final answer
    x = 6,010.67

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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.