Home / 9,864.52-13,613.01-5,388.26

Finding the Fourth Proportional to 9,864.52, 13,613.01 and 5,388.26

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Solution

The fourth proportional to 9,864.52, 13,613.01 and 5,388.26 is: 7,435.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864.52 : 13,613.01 = 5,388.26 : x
  2. Step 2: Convert to fraction form
    9,864.52/13,613.01 = 5,388.26/x
  3. Step 3: Cross multiply
    9,864.52x = 13,613.01 × 5,388.26
  4. Step 4: Simplify right side
    9,864.52x = 73,350,437.26
  5. Step 5: Solve for x
    x = 73,350,437.26/9,864.52
  6. Step 6: Final answer
    x = 7,435.79

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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.