Home / 7,461.45-11,189.67-3,761.33

Finding the Fourth Proportional to 7,461.45, 11,189.67 and 3,761.33

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Solution

The fourth proportional to 7,461.45, 11,189.67 and 3,761.33 is: 5,640.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,461.45 : 11,189.67 = 3,761.33 : x
  2. Step 2: Convert to fraction form
    7,461.45/11,189.67 = 3,761.33/x
  3. Step 3: Cross multiply
    7,461.45x = 11,189.67 × 3,761.33
  4. Step 4: Simplify right side
    7,461.45x = 42,087,985.51
  5. Step 5: Solve for x
    x = 42,087,985.51/7,461.45
  6. Step 6: Final answer
    x = 5,640.72

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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.