Home / 13,090.96-18,067.08-7,503.76

Finding the Fourth Proportional to 13,090.96, 18,067.08 and 7,503.76

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Solution

The fourth proportional to 13,090.96, 18,067.08 and 7,503.76 is: 10,356.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090.96 : 18,067.08 = 7,503.76 : x
  2. Step 2: Convert to fraction form
    13,090.96/18,067.08 = 7,503.76/x
  3. Step 3: Cross multiply
    13,090.96x = 18,067.08 × 7,503.76
  4. Step 4: Simplify right side
    13,090.96x = 135,571,032.22
  5. Step 5: Solve for x
    x = 135,571,032.22/13,090.96
  6. Step 6: Final answer
    x = 10,356.08

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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.