Home / 8,606.43-11,878.55-5,021.81

Finding the Fourth Proportional to 8,606.43, 11,878.55 and 5,021.81

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Solution

The fourth proportional to 8,606.43, 11,878.55 and 5,021.81 is: 6,931.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.43 : 11,878.55 = 5,021.81 : x
  2. Step 2: Convert to fraction form
    8,606.43/11,878.55 = 5,021.81/x
  3. Step 3: Cross multiply
    8,606.43x = 11,878.55 × 5,021.81
  4. Step 4: Simplify right side
    8,606.43x = 59,651,800.05
  5. Step 5: Solve for x
    x = 59,651,800.05/8,606.43
  6. Step 6: Final answer
    x = 6,931.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.