Home / 9,381.55-14,073.07-3,141.60

Finding the Fourth Proportional to 9,381.55, 14,073.07 and 3,141.60

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Solution

The fourth proportional to 9,381.55, 14,073.07 and 3,141.60 is: 4,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381.55 : 14,073.07 = 3,141.60 : x
  2. Step 2: Convert to fraction form
    9,381.55/14,073.07 = 3,141.60/x
  3. Step 3: Cross multiply
    9,381.55x = 14,073.07 × 3,141.60
  4. Step 4: Simplify right side
    9,381.55x = 44,211,956.71
  5. Step 5: Solve for x
    x = 44,211,956.71/9,381.55
  6. Step 6: Final answer
    x = 4,712.65

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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.