Home / 9,448.88-13,039.04-5,199.68

Finding the Fourth Proportional to 9,448.88, 13,039.04 and 5,199.68

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Solution

The fourth proportional to 9,448.88, 13,039.04 and 5,199.68 is: 7,175.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,448.88 : 13,039.04 = 5,199.68 : x
  2. Step 2: Convert to fraction form
    9,448.88/13,039.04 = 5,199.68/x
  3. Step 3: Cross multiply
    9,448.88x = 13,039.04 × 5,199.68
  4. Step 4: Simplify right side
    9,448.88x = 67,798,835.51
  5. Step 5: Solve for x
    x = 67,798,835.51/9,448.88
  6. Step 6: Final answer
    x = 7,175.33

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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.