Home / 10,551.66-15,815.24-3,973.66

Finding the Fourth Proportional to 10,551.66, 15,815.24 and 3,973.66

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Solution

The fourth proportional to 10,551.66, 15,815.24 and 3,973.66 is: 5,955.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.66 : 15,815.24 = 3,973.66 : x
  2. Step 2: Convert to fraction form
    10,551.66/15,815.24 = 3,973.66/x
  3. Step 3: Cross multiply
    10,551.66x = 15,815.24 × 3,973.66
  4. Step 4: Simplify right side
    10,551.66x = 62,844,386.58
  5. Step 5: Solve for x
    x = 62,844,386.58/10,551.66
  6. Step 6: Final answer
    x = 5,955.88

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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.