Home / 9,879.26-13,633.28-5,402.96

Finding the Fourth Proportional to 9,879.26, 13,633.28 and 5,402.96

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Solution

The fourth proportional to 9,879.26, 13,633.28 and 5,402.96 is: 7,456.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879.26 : 13,633.28 = 5,402.96 : x
  2. Step 2: Convert to fraction form
    9,879.26/13,633.28 = 5,402.96/x
  3. Step 3: Cross multiply
    9,879.26x = 13,633.28 × 5,402.96
  4. Step 4: Simplify right side
    9,879.26x = 73,660,042.71
  5. Step 5: Solve for x
    x = 73,660,042.71/9,879.26
  6. Step 6: Final answer
    x = 7,456.03

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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.