Home / 10,548.24-15,815.88-3,973.20

Finding the Fourth Proportional to 10,548.24, 15,815.88 and 3,973.20

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Solution

The fourth proportional to 10,548.24, 15,815.88 and 3,973.20 is: 5,957.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,548.24 : 15,815.88 = 3,973.20 : x
  2. Step 2: Convert to fraction form
    10,548.24/15,815.88 = 3,973.20/x
  3. Step 3: Cross multiply
    10,548.24x = 15,815.88 × 3,973.20
  4. Step 4: Simplify right side
    10,548.24x = 62,839,654.42
  5. Step 5: Solve for x
    x = 62,839,654.42/10,548.24
  6. Step 6: Final answer
    x = 5,957.36

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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.