Home / 9,742.82-13,382.29-9,556.03

Finding the Fourth Proportional to 9,742.82, 13,382.29 and 9,556.03

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Solution

The fourth proportional to 9,742.82, 13,382.29 and 9,556.03 is: 13,125.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742.82 : 13,382.29 = 9,556.03 : x
  2. Step 2: Convert to fraction form
    9,742.82/13,382.29 = 9,556.03/x
  3. Step 3: Cross multiply
    9,742.82x = 13,382.29 × 9,556.03
  4. Step 4: Simplify right side
    9,742.82x = 127,881,497.80
  5. Step 5: Solve for x
    x = 127,881,497.80/9,742.82
  6. Step 6: Final answer
    x = 13,125.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.