Home / 10,271.88-15,372.18-6,321.38

Finding the Fourth Proportional to 10,271.88, 15,372.18 and 6,321.38

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Solution

The fourth proportional to 10,271.88, 15,372.18 and 6,321.38 is: 9,460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,271.88 : 15,372.18 = 6,321.38 : x
  2. Step 2: Convert to fraction form
    10,271.88/15,372.18 = 6,321.38/x
  3. Step 3: Cross multiply
    10,271.88x = 15,372.18 × 6,321.38
  4. Step 4: Simplify right side
    10,271.88x = 97,173,314.35
  5. Step 5: Solve for x
    x = 97,173,314.35/10,271.88
  6. Step 6: Final answer
    x = 9,460.13

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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.