Home / 7,555.86-11,322.23-3,170.92

Finding the Fourth Proportional to 7,555.86, 11,322.23 and 3,170.92

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Solution

The fourth proportional to 7,555.86, 11,322.23 and 3,170.92 is: 4,751.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.86 : 11,322.23 = 3,170.92 : x
  2. Step 2: Convert to fraction form
    7,555.86/11,322.23 = 3,170.92/x
  3. Step 3: Cross multiply
    7,555.86x = 11,322.23 × 3,170.92
  4. Step 4: Simplify right side
    7,555.86x = 35,901,885.55
  5. Step 5: Solve for x
    x = 35,901,885.55/7,555.86
  6. Step 6: Final answer
    x = 4,751.53

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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.