Home / 9,864.26-13,613.00-5,388.43

Finding the Fourth Proportional to 9,864.26, 13,613.00 and 5,388.43

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Solution

The fourth proportional to 9,864.26, 13,613.00 and 5,388.43 is: 7,436.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864.26 : 13,613.00 = 5,388.43 : x
  2. Step 2: Convert to fraction form
    9,864.26/13,613.00 = 5,388.43/x
  3. Step 3: Cross multiply
    9,864.26x = 13,613.00 × 5,388.43
  4. Step 4: Simplify right side
    9,864.26x = 73,352,636.26
  5. Step 5: Solve for x
    x = 73,352,636.26/9,864.26
  6. Step 6: Final answer
    x = 7,436.21

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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.