Home / 9,864.48-13,613.03-5,388.26

Finding the Fourth Proportional to 9,864.48, 13,613.03 and 5,388.26

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Solution

The fourth proportional to 9,864.48, 13,613.03 and 5,388.26 is: 7,435.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864.48 : 13,613.03 = 5,388.26 : x
  2. Step 2: Convert to fraction form
    9,864.48/13,613.03 = 5,388.26/x
  3. Step 3: Cross multiply
    9,864.48x = 13,613.03 × 5,388.26
  4. Step 4: Simplify right side
    9,864.48x = 73,350,470.23
  5. Step 5: Solve for x
    x = 73,350,470.23/9,864.48
  6. Step 6: Final answer
    x = 7,435.81

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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.