Home / 10,281.21-15,417-3,706.53

Finding the Fourth Proportional to 10,281.21, 15,417 and 3,706.53

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Solution

The fourth proportional to 10,281.21, 15,417 and 3,706.53 is: 5,558.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.21 : 15,417 = 3,706.53 : x
  2. Step 2: Convert to fraction form
    10,281.21/15,417 = 3,706.53/x
  3. Step 3: Cross multiply
    10,281.21x = 15,417 × 3,706.53
  4. Step 4: Simplify right side
    10,281.21x = 57,143,573.01
  5. Step 5: Solve for x
    x = 57,143,573.01/10,281.21
  6. Step 6: Final answer
    x = 5,558.06

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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.