Home / 9,540.36-13,166.37-5,292.78

Finding the Fourth Proportional to 9,540.36, 13,166.37 and 5,292.78

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Solution

The fourth proportional to 9,540.36, 13,166.37 and 5,292.78 is: 7,304.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,540.36 : 13,166.37 = 5,292.78 : x
  2. Step 2: Convert to fraction form
    9,540.36/13,166.37 = 5,292.78/x
  3. Step 3: Cross multiply
    9,540.36x = 13,166.37 × 5,292.78
  4. Step 4: Simplify right side
    9,540.36x = 69,686,699.81
  5. Step 5: Solve for x
    x = 69,686,699.81/9,540.36
  6. Step 6: Final answer
    x = 7,304.41

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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.