Home / 7,858.37-11,795.30-5,772.52

Finding the Fourth Proportional to 7,858.37, 11,795.30 and 5,772.52

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Solution

The fourth proportional to 7,858.37, 11,795.30 and 5,772.52 is: 8,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.37 : 11,795.30 = 5,772.52 : x
  2. Step 2: Convert to fraction form
    7,858.37/11,795.30 = 5,772.52/x
  3. Step 3: Cross multiply
    7,858.37x = 11,795.30 × 5,772.52
  4. Step 4: Simplify right side
    7,858.37x = 68,088,605.16
  5. Step 5: Solve for x
    x = 68,088,605.16/7,858.37
  6. Step 6: Final answer
    x = 8,664.47

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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.