Home / 8,630.96-11,910.38-5,095.31

Finding the Fourth Proportional to 8,630.96, 11,910.38 and 5,095.31

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Solution

The fourth proportional to 8,630.96, 11,910.38 and 5,095.31 is: 7,031.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.96 : 11,910.38 = 5,095.31 : x
  2. Step 2: Convert to fraction form
    8,630.96/11,910.38 = 5,095.31/x
  3. Step 3: Cross multiply
    8,630.96x = 11,910.38 × 5,095.31
  4. Step 4: Simplify right side
    8,630.96x = 60,686,993.29
  5. Step 5: Solve for x
    x = 60,686,993.29/8,630.96
  6. Step 6: Final answer
    x = 7,031.32

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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.