Home / 9,897.15-14,846.87-3,231.35

Finding the Fourth Proportional to 9,897.15, 14,846.87 and 3,231.35

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Solution

The fourth proportional to 9,897.15, 14,846.87 and 3,231.35 is: 4,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,897.15 : 14,846.87 = 3,231.35 : x
  2. Step 2: Convert to fraction form
    9,897.15/14,846.87 = 3,231.35/x
  3. Step 3: Cross multiply
    9,897.15x = 14,846.87 × 3,231.35
  4. Step 4: Simplify right side
    9,897.15x = 47,975,433.37
  5. Step 5: Solve for x
    x = 47,975,433.37/9,897.15
  6. Step 6: Final answer
    x = 4,847.40

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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.