Home / 7,401.21-11,106.19-2,724.50

Finding the Fourth Proportional to 7,401.21, 11,106.19 and 2,724.50

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Solution

The fourth proportional to 7,401.21, 11,106.19 and 2,724.50 is: 4,088.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.21 : 11,106.19 = 2,724.50 : x
  2. Step 2: Convert to fraction form
    7,401.21/11,106.19 = 2,724.50/x
  3. Step 3: Cross multiply
    7,401.21x = 11,106.19 × 2,724.50
  4. Step 4: Simplify right side
    7,401.21x = 30,258,838.16
  5. Step 5: Solve for x
    x = 30,258,838.16/7,401.21
  6. Step 6: Final answer
    x = 4,088.37

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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.