Home / 10,391.18-14,336.27-5,913.81

Finding the Fourth Proportional to 10,391.18, 14,336.27 and 5,913.81

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Solution

The fourth proportional to 10,391.18, 14,336.27 and 5,913.81 is: 8,159.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391.18 : 14,336.27 = 5,913.81 : x
  2. Step 2: Convert to fraction form
    10,391.18/14,336.27 = 5,913.81/x
  3. Step 3: Cross multiply
    10,391.18x = 14,336.27 × 5,913.81
  4. Step 4: Simplify right side
    10,391.18x = 84,781,893.56
  5. Step 5: Solve for x
    x = 84,781,893.56/10,391.18
  6. Step 6: Final answer
    x = 8,159.03

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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.