Home / 9,159.07-13,738.62-3,314.32

Finding the Fourth Proportional to 9,159.07, 13,738.62 and 3,314.32

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Solution

The fourth proportional to 9,159.07, 13,738.62 and 3,314.32 is: 4,971.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.07 : 13,738.62 = 3,314.32 : x
  2. Step 2: Convert to fraction form
    9,159.07/13,738.62 = 3,314.32/x
  3. Step 3: Cross multiply
    9,159.07x = 13,738.62 × 3,314.32
  4. Step 4: Simplify right side
    9,159.07x = 45,534,183.04
  5. Step 5: Solve for x
    x = 45,534,183.04/9,159.07
  6. Step 6: Final answer
    x = 4,971.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.