Home / 10,409.04-15,611.10-3,831.66

Finding the Fourth Proportional to 10,409.04, 15,611.10 and 3,831.66

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Solution

The fourth proportional to 10,409.04, 15,611.10 and 3,831.66 is: 5,746.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.04 : 15,611.10 = 3,831.66 : x
  2. Step 2: Convert to fraction form
    10,409.04/15,611.10 = 3,831.66/x
  3. Step 3: Cross multiply
    10,409.04x = 15,611.10 × 3,831.66
  4. Step 4: Simplify right side
    10,409.04x = 59,816,427.43
  5. Step 5: Solve for x
    x = 59,816,427.43/10,409.04
  6. Step 6: Final answer
    x = 5,746.58

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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.