Home / 12,010.24-17,999.43-6,386.74

Finding the Fourth Proportional to 12,010.24, 17,999.43 and 6,386.74

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Solution

The fourth proportional to 12,010.24, 17,999.43 and 6,386.74 is: 9,571.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010.24 : 17,999.43 = 6,386.74 : x
  2. Step 2: Convert to fraction form
    12,010.24/17,999.43 = 6,386.74/x
  3. Step 3: Cross multiply
    12,010.24x = 17,999.43 × 6,386.74
  4. Step 4: Simplify right side
    12,010.24x = 114,957,679.56
  5. Step 5: Solve for x
    x = 114,957,679.56/12,010.24
  6. Step 6: Final answer
    x = 9,571.64

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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.