Home / 7,738.23-11,615.55-4,818.60

Finding the Fourth Proportional to 7,738.23, 11,615.55 and 4,818.60

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Solution

The fourth proportional to 7,738.23, 11,615.55 and 4,818.60 is: 7,233.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.23 : 11,615.55 = 4,818.60 : x
  2. Step 2: Convert to fraction form
    7,738.23/11,615.55 = 4,818.60/x
  3. Step 3: Cross multiply
    7,738.23x = 11,615.55 × 4,818.60
  4. Step 4: Simplify right side
    7,738.23x = 55,970,689.23
  5. Step 5: Solve for x
    x = 55,970,689.23/7,738.23
  6. Step 6: Final answer
    x = 7,233.01

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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.