Home / 10,428.82-15,644.76-3,032.32

Finding the Fourth Proportional to 10,428.82, 15,644.76 and 3,032.32

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Solution

The fourth proportional to 10,428.82, 15,644.76 and 3,032.32 is: 4,548.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.82 : 15,644.76 = 3,032.32 : x
  2. Step 2: Convert to fraction form
    10,428.82/15,644.76 = 3,032.32/x
  3. Step 3: Cross multiply
    10,428.82x = 15,644.76 × 3,032.32
  4. Step 4: Simplify right side
    10,428.82x = 47,439,918.64
  5. Step 5: Solve for x
    x = 47,439,918.64/10,428.82
  6. Step 6: Final answer
    x = 4,548.92

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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.