Home / 11,153.51-16,732.55-4,579.76

Finding the Fourth Proportional to 11,153.51, 16,732.55 and 4,579.76

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Solution

The fourth proportional to 11,153.51, 16,732.55 and 4,579.76 is: 6,870.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.51 : 16,732.55 = 4,579.76 : x
  2. Step 2: Convert to fraction form
    11,153.51/16,732.55 = 4,579.76/x
  3. Step 3: Cross multiply
    11,153.51x = 16,732.55 × 4,579.76
  4. Step 4: Simplify right side
    11,153.51x = 76,630,956.63
  5. Step 5: Solve for x
    x = 76,630,956.63/11,153.51
  6. Step 6: Final answer
    x = 6,870.57

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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.