Home / 9,687.28-13,368.44-5,495.52

Finding the Fourth Proportional to 9,687.28, 13,368.44 and 5,495.52

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Solution

The fourth proportional to 9,687.28, 13,368.44 and 5,495.52 is: 7,583.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,687.28 : 13,368.44 = 5,495.52 : x
  2. Step 2: Convert to fraction form
    9,687.28/13,368.44 = 5,495.52/x
  3. Step 3: Cross multiply
    9,687.28x = 13,368.44 × 5,495.52
  4. Step 4: Simplify right side
    9,687.28x = 73,466,529.39
  5. Step 5: Solve for x
    x = 73,466,529.39/9,687.28
  6. Step 6: Final answer
    x = 7,583.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.