Home / 10,831.84-14,943.28-6,356.96

Finding the Fourth Proportional to 10,831.84, 14,943.28 and 6,356.96

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Solution

The fourth proportional to 10,831.84, 14,943.28 and 6,356.96 is: 8,769.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.84 : 14,943.28 = 6,356.96 : x
  2. Step 2: Convert to fraction form
    10,831.84/14,943.28 = 6,356.96/x
  3. Step 3: Cross multiply
    10,831.84x = 14,943.28 × 6,356.96
  4. Step 4: Simplify right side
    10,831.84x = 94,993,833.23
  5. Step 5: Solve for x
    x = 94,993,833.23/10,831.84
  6. Step 6: Final answer
    x = 8,769.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.