Home / 12,357.13-17,052.84-6,768.13

Finding the Fourth Proportional to 12,357.13, 17,052.84 and 6,768.13

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Solution

The fourth proportional to 12,357.13, 17,052.84 and 6,768.13 is: 9,340.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357.13 : 17,052.84 = 6,768.13 : x
  2. Step 2: Convert to fraction form
    12,357.13/17,052.84 = 6,768.13/x
  3. Step 3: Cross multiply
    12,357.13x = 17,052.84 × 6,768.13
  4. Step 4: Simplify right side
    12,357.13x = 115,415,837.99
  5. Step 5: Solve for x
    x = 115,415,837.99/12,357.13
  6. Step 6: Final answer
    x = 9,340.02

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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.