Home / 7,031.04-10,540.98-3,912.12

Finding the Fourth Proportional to 7,031.04, 10,540.98 and 3,912.12

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Solution

The fourth proportional to 7,031.04, 10,540.98 and 3,912.12 is: 5,865.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.04 : 10,540.98 = 3,912.12 : x
  2. Step 2: Convert to fraction form
    7,031.04/10,540.98 = 3,912.12/x
  3. Step 3: Cross multiply
    7,031.04x = 10,540.98 × 3,912.12
  4. Step 4: Simplify right side
    7,031.04x = 41,237,578.68
  5. Step 5: Solve for x
    x = 41,237,578.68/7,031.04
  6. Step 6: Final answer
    x = 5,865.08

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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.