Home / 10,529.70-15,786.60-6,368.82

Finding the Fourth Proportional to 10,529.70, 15,786.60 and 6,368.82

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Solution

The fourth proportional to 10,529.70, 15,786.60 and 6,368.82 is: 9,548.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.70 : 15,786.60 = 6,368.82 : x
  2. Step 2: Convert to fraction form
    10,529.70/15,786.60 = 6,368.82/x
  3. Step 3: Cross multiply
    10,529.70x = 15,786.60 × 6,368.82
  4. Step 4: Simplify right side
    10,529.70x = 100,542,013.81
  5. Step 5: Solve for x
    x = 100,542,013.81/10,529.70
  6. Step 6: Final answer
    x = 9,548.42

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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.