Home / 9,838.44-14,761.70-7,219.30

Finding the Fourth Proportional to 9,838.44, 14,761.70 and 7,219.30

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Solution

The fourth proportional to 9,838.44, 14,761.70 and 7,219.30 is: 10,831.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,838.44 : 14,761.70 = 7,219.30 : x
  2. Step 2: Convert to fraction form
    9,838.44/14,761.70 = 7,219.30/x
  3. Step 3: Cross multiply
    9,838.44x = 14,761.70 × 7,219.30
  4. Step 4: Simplify right side
    9,838.44x = 106,569,140.81
  5. Step 5: Solve for x
    x = 106,569,140.81/9,838.44
  6. Step 6: Final answer
    x = 10,831.91

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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.