Home / 11,973.84-17,956.80-4,374

Finding the Fourth Proportional to 11,973.84, 17,956.80 and 4,374

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Solution

The fourth proportional to 11,973.84, 17,956.80 and 4,374 is: 6,559.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,973.84 : 17,956.80 = 4,374 : x
  2. Step 2: Convert to fraction form
    11,973.84/17,956.80 = 4,374/x
  3. Step 3: Cross multiply
    11,973.84x = 17,956.80 × 4,374
  4. Step 4: Simplify right side
    11,973.84x = 78,543,043.20
  5. Step 5: Solve for x
    x = 78,543,043.20/11,973.84
  6. Step 6: Final answer
    x = 6,559.55

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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.