Home / 10,558.17-15,831.89-3,535.66

Finding the Fourth Proportional to 10,558.17, 15,831.89 and 3,535.66

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Solution

The fourth proportional to 10,558.17, 15,831.89 and 3,535.66 is: 5,301.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558.17 : 15,831.89 = 3,535.66 : x
  2. Step 2: Convert to fraction form
    10,558.17/15,831.89 = 3,535.66/x
  3. Step 3: Cross multiply
    10,558.17x = 15,831.89 × 3,535.66
  4. Step 4: Simplify right side
    10,558.17x = 55,976,122.94
  5. Step 5: Solve for x
    x = 55,976,122.94/10,558.17
  6. Step 6: Final answer
    x = 5,301.69

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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.