Home / 10,831.19-16,253.27-9,949.91

Finding the Fourth Proportional to 10,831.19, 16,253.27 and 9,949.91

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Solution

The fourth proportional to 10,831.19, 16,253.27 and 9,949.91 is: 14,930.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.19 : 16,253.27 = 9,949.91 : x
  2. Step 2: Convert to fraction form
    10,831.19/16,253.27 = 9,949.91/x
  3. Step 3: Cross multiply
    10,831.19x = 16,253.27 × 9,949.91
  4. Step 4: Simplify right side
    10,831.19x = 161,718,573.71
  5. Step 5: Solve for x
    x = 161,718,573.71/10,831.19
  6. Step 6: Final answer
    x = 14,930.82

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1.5x scale

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.