Home / 10,105.13-15,159.39-4,558.35

Finding the Fourth Proportional to 10,105.13, 15,159.39 and 4,558.35

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Solution

The fourth proportional to 10,105.13, 15,159.39 and 4,558.35 is: 6,838.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,105.13 : 15,159.39 = 4,558.35 : x
  2. Step 2: Convert to fraction form
    10,105.13/15,159.39 = 4,558.35/x
  3. Step 3: Cross multiply
    10,105.13x = 15,159.39 × 4,558.35
  4. Step 4: Simplify right side
    10,105.13x = 69,101,845.16
  5. Step 5: Solve for x
    x = 69,101,845.16/10,105.13
  6. Step 6: Final answer
    x = 6,838.29

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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.