Home / 11,925.81-17,881.68-4,530.79

Finding the Fourth Proportional to 11,925.81, 17,881.68 and 4,530.79

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Solution

The fourth proportional to 11,925.81, 17,881.68 and 4,530.79 is: 6,793.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.81 : 17,881.68 = 4,530.79 : x
  2. Step 2: Convert to fraction form
    11,925.81/17,881.68 = 4,530.79/x
  3. Step 3: Cross multiply
    11,925.81x = 17,881.68 × 4,530.79
  4. Step 4: Simplify right side
    11,925.81x = 81,018,136.93
  5. Step 5: Solve for x
    x = 81,018,136.93/11,925.81
  6. Step 6: Final answer
    x = 6,793.52

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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.