Home / 9,613.24-13,266.26-5,421.49

Finding the Fourth Proportional to 9,613.24, 13,266.26 and 5,421.49

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Solution

The fourth proportional to 9,613.24, 13,266.26 and 5,421.49 is: 7,481.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,613.24 : 13,266.26 = 5,421.49 : x
  2. Step 2: Convert to fraction form
    9,613.24/13,266.26 = 5,421.49/x
  3. Step 3: Cross multiply
    9,613.24x = 13,266.26 × 5,421.49
  4. Step 4: Simplify right side
    9,613.24x = 71,922,895.93
  5. Step 5: Solve for x
    x = 71,922,895.93/9,613.24
  6. Step 6: Final answer
    x = 7,481.65

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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.