Home / 9,917.25-13,685.99-5,441.23

Finding the Fourth Proportional to 9,917.25, 13,685.99 and 5,441.23

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Solution

The fourth proportional to 9,917.25, 13,685.99 and 5,441.23 is: 7,509.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,917.25 : 13,685.99 = 5,441.23 : x
  2. Step 2: Convert to fraction form
    9,917.25/13,685.99 = 5,441.23/x
  3. Step 3: Cross multiply
    9,917.25x = 13,685.99 × 5,441.23
  4. Step 4: Simplify right side
    9,917.25x = 74,468,619.37
  5. Step 5: Solve for x
    x = 74,468,619.37/9,917.25
  6. Step 6: Final answer
    x = 7,509.00

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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.