Home / 9,539.37-13,164.29-5,347.62

Finding the Fourth Proportional to 9,539.37, 13,164.29 and 5,347.62

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Solution

The fourth proportional to 9,539.37, 13,164.29 and 5,347.62 is: 7,379.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.37 : 13,164.29 = 5,347.62 : x
  2. Step 2: Convert to fraction form
    9,539.37/13,164.29 = 5,347.62/x
  3. Step 3: Cross multiply
    9,539.37x = 13,164.29 × 5,347.62
  4. Step 4: Simplify right side
    9,539.37x = 70,397,593.75
  5. Step 5: Solve for x
    x = 70,397,593.75/9,539.37
  6. Step 6: Final answer
    x = 7,379.69

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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.