Home / 10,448.37-15,681.30-9,791.56

Finding the Fourth Proportional to 10,448.37, 15,681.30 and 9,791.56

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Solution

The fourth proportional to 10,448.37, 15,681.30 and 9,791.56 is: 14,695.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448.37 : 15,681.30 = 9,791.56 : x
  2. Step 2: Convert to fraction form
    10,448.37/15,681.30 = 9,791.56/x
  3. Step 3: Cross multiply
    10,448.37x = 15,681.30 × 9,791.56
  4. Step 4: Simplify right side
    10,448.37x = 153,544,389.83
  5. Step 5: Solve for x
    x = 153,544,389.83/10,448.37
  6. Step 6: Final answer
    x = 14,695.54

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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.