Home / 10,611.48-15,917.16-2,713.98

Finding the Fourth Proportional to 10,611.48, 15,917.16 and 2,713.98

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Solution

The fourth proportional to 10,611.48, 15,917.16 and 2,713.98 is: 4,070.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611.48 : 15,917.16 = 2,713.98 : x
  2. Step 2: Convert to fraction form
    10,611.48/15,917.16 = 2,713.98/x
  3. Step 3: Cross multiply
    10,611.48x = 15,917.16 × 2,713.98
  4. Step 4: Simplify right side
    10,611.48x = 43,198,831.34
  5. Step 5: Solve for x
    x = 43,198,831.34/10,611.48
  6. Step 6: Final answer
    x = 4,070.95

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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.