Home / 11,403.84-17,112.68-4,007.72

Finding the Fourth Proportional to 11,403.84, 17,112.68 and 4,007.72

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Solution

The fourth proportional to 11,403.84, 17,112.68 and 4,007.72 is: 6,014.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.84 : 17,112.68 = 4,007.72 : x
  2. Step 2: Convert to fraction form
    11,403.84/17,112.68 = 4,007.72/x
  3. Step 3: Cross multiply
    11,403.84x = 17,112.68 × 4,007.72
  4. Step 4: Simplify right side
    11,403.84x = 68,582,821.51
  5. Step 5: Solve for x
    x = 68,582,821.51/11,403.84
  6. Step 6: Final answer
    x = 6,014.01

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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.