Home / 6,613.24-9,126.22-3,820.28

Finding the Fourth Proportional to 6,613.24, 9,126.22 and 3,820.28

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Solution

The fourth proportional to 6,613.24, 9,126.22 and 3,820.28 is: 5,271.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.24 : 9,126.22 = 3,820.28 : x
  2. Step 2: Convert to fraction form
    6,613.24/9,126.22 = 3,820.28/x
  3. Step 3: Cross multiply
    6,613.24x = 9,126.22 × 3,820.28
  4. Step 4: Simplify right side
    6,613.24x = 34,864,715.74
  5. Step 5: Solve for x
    x = 34,864,715.74/6,613.24
  6. Step 6: Final answer
    x = 5,271.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.