Home / 10,281.58-15,420.60-3,706.81

Finding the Fourth Proportional to 10,281.58, 15,420.60 and 3,706.81

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Solution

The fourth proportional to 10,281.58, 15,420.60 and 3,706.81 is: 5,559.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.58 : 15,420.60 = 3,706.81 : x
  2. Step 2: Convert to fraction form
    10,281.58/15,420.60 = 3,706.81/x
  3. Step 3: Cross multiply
    10,281.58x = 15,420.60 × 3,706.81
  4. Step 4: Simplify right side
    10,281.58x = 57,161,195.73
  5. Step 5: Solve for x
    x = 57,161,195.73/10,281.58
  6. Step 6: Final answer
    x = 5,559.57

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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.