Home / 7,274.20-10,886.10-4,354.60

Finding the Fourth Proportional to 7,274.20, 10,886.10 and 4,354.60

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Solution

The fourth proportional to 7,274.20, 10,886.10 and 4,354.60 is: 6,516.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.20 : 10,886.10 = 4,354.60 : x
  2. Step 2: Convert to fraction form
    7,274.20/10,886.10 = 4,354.60/x
  3. Step 3: Cross multiply
    7,274.20x = 10,886.10 × 4,354.60
  4. Step 4: Simplify right side
    7,274.20x = 47,404,611.06
  5. Step 5: Solve for x
    x = 47,404,611.06/7,274.20
  6. Step 6: Final answer
    x = 6,516.81

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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.