Home / 11,162.96-15,405.16-6,127.68

Finding the Fourth Proportional to 11,162.96, 15,405.16 and 6,127.68

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Solution

The fourth proportional to 11,162.96, 15,405.16 and 6,127.68 is: 8,456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,162.96 : 15,405.16 = 6,127.68 : x
  2. Step 2: Convert to fraction form
    11,162.96/15,405.16 = 6,127.68/x
  3. Step 3: Cross multiply
    11,162.96x = 15,405.16 × 6,127.68
  4. Step 4: Simplify right side
    11,162.96x = 94,397,890.83
  5. Step 5: Solve for x
    x = 94,397,890.83/11,162.96
  6. Step 6: Final answer
    x = 8,456.35

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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.