Home / 8,448.68-11,656.30-5,090.22

Finding the Fourth Proportional to 8,448.68, 11,656.30 and 5,090.22

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Solution

The fourth proportional to 8,448.68, 11,656.30 and 5,090.22 is: 7,022.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.68 : 11,656.30 = 5,090.22 : x
  2. Step 2: Convert to fraction form
    8,448.68/11,656.30 = 5,090.22/x
  3. Step 3: Cross multiply
    8,448.68x = 11,656.30 × 5,090.22
  4. Step 4: Simplify right side
    8,448.68x = 59,333,131.39
  5. Step 5: Solve for x
    x = 59,333,131.39/8,448.68
  6. Step 6: Final answer
    x = 7,022.77

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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.