Home / 9,416.63-14,129.54-3,871.64

Finding the Fourth Proportional to 9,416.63, 14,129.54 and 3,871.64

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Solution

The fourth proportional to 9,416.63, 14,129.54 and 3,871.64 is: 5,809.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,416.63 : 14,129.54 = 3,871.64 : x
  2. Step 2: Convert to fraction form
    9,416.63/14,129.54 = 3,871.64/x
  3. Step 3: Cross multiply
    9,416.63x = 14,129.54 × 3,871.64
  4. Step 4: Simplify right side
    9,416.63x = 54,704,522.73
  5. Step 5: Solve for x
    x = 54,704,522.73/9,416.63
  6. Step 6: Final answer
    x = 5,809.35

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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.