Home / 11,719.15-17,580.95-4,324.19

Finding the Fourth Proportional to 11,719.15, 17,580.95 and 4,324.19

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Solution

The fourth proportional to 11,719.15, 17,580.95 and 4,324.19 is: 6,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.15 : 17,580.95 = 4,324.19 : x
  2. Step 2: Convert to fraction form
    11,719.15/17,580.95 = 4,324.19/x
  3. Step 3: Cross multiply
    11,719.15x = 17,580.95 × 4,324.19
  4. Step 4: Simplify right side
    11,719.15x = 76,023,274.87
  5. Step 5: Solve for x
    x = 76,023,274.87/11,719.15
  6. Step 6: Final answer
    x = 6,487.10

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1.5x scale

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.