Home / 9,519.56-13,127.37-7,338.03

Finding the Fourth Proportional to 9,519.56, 13,127.37 and 7,338.03

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Solution

The fourth proportional to 9,519.56, 13,127.37 and 7,338.03 is: 10,119.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.56 : 13,127.37 = 7,338.03 : x
  2. Step 2: Convert to fraction form
    9,519.56/13,127.37 = 7,338.03/x
  3. Step 3: Cross multiply
    9,519.56x = 13,127.37 × 7,338.03
  4. Step 4: Simplify right side
    9,519.56x = 96,329,034.88
  5. Step 5: Solve for x
    x = 96,329,034.88/9,519.56
  6. Step 6: Final answer
    x = 10,119.06

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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.