Home / 13,093.80-18,069.07-7,125.33

Finding the Fourth Proportional to 13,093.80, 18,069.07 and 7,125.33

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Solution

The fourth proportional to 13,093.80, 18,069.07 and 7,125.33 is: 9,832.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,093.80 : 18,069.07 = 7,125.33 : x
  2. Step 2: Convert to fraction form
    13,093.80/18,069.07 = 7,125.33/x
  3. Step 3: Cross multiply
    13,093.80x = 18,069.07 × 7,125.33
  4. Step 4: Simplify right side
    13,093.80x = 128,748,086.54
  5. Step 5: Solve for x
    x = 128,748,086.54/13,093.80
  6. Step 6: Final answer
    x = 9,832.75

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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.