Home / 8,719.79-12,030.66-5,183.33

Finding the Fourth Proportional to 8,719.79, 12,030.66 and 5,183.33

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Solution

The fourth proportional to 8,719.79, 12,030.66 and 5,183.33 is: 7,151.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.79 : 12,030.66 = 5,183.33 : x
  2. Step 2: Convert to fraction form
    8,719.79/12,030.66 = 5,183.33/x
  3. Step 3: Cross multiply
    8,719.79x = 12,030.66 × 5,183.33
  4. Step 4: Simplify right side
    8,719.79x = 62,358,820.74
  5. Step 5: Solve for x
    x = 62,358,820.74/8,719.79
  6. Step 6: Final answer
    x = 7,151.42

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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.