Home / 7,137.16-10,706.76-2,207.23

Finding the Fourth Proportional to 7,137.16, 10,706.76 and 2,207.23

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Solution

The fourth proportional to 7,137.16, 10,706.76 and 2,207.23 is: 3,311.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.16 : 10,706.76 = 2,207.23 : x
  2. Step 2: Convert to fraction form
    7,137.16/10,706.76 = 2,207.23/x
  3. Step 3: Cross multiply
    7,137.16x = 10,706.76 × 2,207.23
  4. Step 4: Simplify right side
    7,137.16x = 23,632,281.87
  5. Step 5: Solve for x
    x = 23,632,281.87/7,137.16
  6. Step 6: Final answer
    x = 3,311.16

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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.