Home / 9,732.24-13,429.80-7,641.36

Finding the Fourth Proportional to 9,732.24, 13,429.80 and 7,641.36

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Solution

The fourth proportional to 9,732.24, 13,429.80 and 7,641.36 is: 10,544.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,732.24 : 13,429.80 = 7,641.36 : x
  2. Step 2: Convert to fraction form
    9,732.24/13,429.80 = 7,641.36/x
  3. Step 3: Cross multiply
    9,732.24x = 13,429.80 × 7,641.36
  4. Step 4: Simplify right side
    9,732.24x = 102,621,936.53
  5. Step 5: Solve for x
    x = 102,621,936.53/9,732.24
  6. Step 6: Final answer
    x = 10,544.53

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1.5x scale

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.