Home / 10,913.09-16,369.52-4,667.81

Finding the Fourth Proportional to 10,913.09, 16,369.52 and 4,667.81

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Solution

The fourth proportional to 10,913.09, 16,369.52 and 4,667.81 is: 7,001.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.09 : 16,369.52 = 4,667.81 : x
  2. Step 2: Convert to fraction form
    10,913.09/16,369.52 = 4,667.81/x
  3. Step 3: Cross multiply
    10,913.09x = 16,369.52 × 4,667.81
  4. Step 4: Simplify right side
    10,913.09x = 76,409,703.96
  5. Step 5: Solve for x
    x = 76,409,703.96/10,913.09
  6. Step 6: Final answer
    x = 7,001.66

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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.