Home / 9,070.79-13,606.68-2,831.66

Finding the Fourth Proportional to 9,070.79, 13,606.68 and 2,831.66

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Solution

The fourth proportional to 9,070.79, 13,606.68 and 2,831.66 is: 4,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.79 : 13,606.68 = 2,831.66 : x
  2. Step 2: Convert to fraction form
    9,070.79/13,606.68 = 2,831.66/x
  3. Step 3: Cross multiply
    9,070.79x = 13,606.68 × 2,831.66
  4. Step 4: Simplify right side
    9,070.79x = 38,529,485.10
  5. Step 5: Solve for x
    x = 38,529,485.10/9,070.79
  6. Step 6: Final answer
    x = 4,247.65

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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.