Home / 10,351.70-15,529.26-4,111.75

Finding the Fourth Proportional to 10,351.70, 15,529.26 and 4,111.75

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Solution

The fourth proportional to 10,351.70, 15,529.26 and 4,111.75 is: 6,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.70 : 15,529.26 = 4,111.75 : x
  2. Step 2: Convert to fraction form
    10,351.70/15,529.26 = 4,111.75/x
  3. Step 3: Cross multiply
    10,351.70x = 15,529.26 × 4,111.75
  4. Step 4: Simplify right side
    10,351.70x = 63,852,434.81
  5. Step 5: Solve for x
    x = 63,852,434.81/10,351.70
  6. Step 6: Final answer
    x = 6,168.30

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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.