Home / 9,070.76-13,607.42-2,831.33

Finding the Fourth Proportional to 9,070.76, 13,607.42 and 2,831.33

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Solution

The fourth proportional to 9,070.76, 13,607.42 and 2,831.33 is: 4,247.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.76 : 13,607.42 = 2,831.33 : x
  2. Step 2: Convert to fraction form
    9,070.76/13,607.42 = 2,831.33/x
  3. Step 3: Cross multiply
    9,070.76x = 13,607.42 × 2,831.33
  4. Step 4: Simplify right side
    9,070.76x = 38,527,014.27
  5. Step 5: Solve for x
    x = 38,527,014.27/9,070.76
  6. Step 6: Final answer
    x = 4,247.39

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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.