Home / 12,389.29-17,093.03-7,080.33

Finding the Fourth Proportional to 12,389.29, 17,093.03 and 7,080.33

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Solution

The fourth proportional to 12,389.29, 17,093.03 and 7,080.33 is: 9,768.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,389.29 : 17,093.03 = 7,080.33 : x
  2. Step 2: Convert to fraction form
    12,389.29/17,093.03 = 7,080.33/x
  3. Step 3: Cross multiply
    12,389.29x = 17,093.03 × 7,080.33
  4. Step 4: Simplify right side
    12,389.29x = 121,024,293.10
  5. Step 5: Solve for x
    x = 121,024,293.10/12,389.29
  6. Step 6: Final answer
    x = 9,768.46

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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.