Home / 10,567.71-15,854.58-3,172.41

Finding the Fourth Proportional to 10,567.71, 15,854.58 and 3,172.41

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Solution

The fourth proportional to 10,567.71, 15,854.58 and 3,172.41 is: 4,759.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,567.71 : 15,854.58 = 3,172.41 : x
  2. Step 2: Convert to fraction form
    10,567.71/15,854.58 = 3,172.41/x
  3. Step 3: Cross multiply
    10,567.71x = 15,854.58 × 3,172.41
  4. Step 4: Simplify right side
    10,567.71x = 50,297,228.14
  5. Step 5: Solve for x
    x = 50,297,228.14/10,567.71
  6. Step 6: Final answer
    x = 4,759.52

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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.