Home / 8,073.26-11,141.56-5,379.81

Finding the Fourth Proportional to 8,073.26, 11,141.56 and 5,379.81

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Solution

The fourth proportional to 8,073.26, 11,141.56 and 5,379.81 is: 7,424.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.26 : 11,141.56 = 5,379.81 : x
  2. Step 2: Convert to fraction form
    8,073.26/11,141.56 = 5,379.81/x
  3. Step 3: Cross multiply
    8,073.26x = 11,141.56 × 5,379.81
  4. Step 4: Simplify right side
    8,073.26x = 59,939,475.90
  5. Step 5: Solve for x
    x = 59,939,475.90/8,073.26
  6. Step 6: Final answer
    x = 7,424.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.