Home / 7,975.36-11,007.68-5,462.56

Finding the Fourth Proportional to 7,975.36, 11,007.68 and 5,462.56

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Solution

The fourth proportional to 7,975.36, 11,007.68 and 5,462.56 is: 7,539.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.36 : 11,007.68 = 5,462.56 : x
  2. Step 2: Convert to fraction form
    7,975.36/11,007.68 = 5,462.56/x
  3. Step 3: Cross multiply
    7,975.36x = 11,007.68 × 5,462.56
  4. Step 4: Simplify right side
    7,975.36x = 60,130,112.46
  5. Step 5: Solve for x
    x = 60,130,112.46/7,975.36
  6. Step 6: Final answer
    x = 7,539.49

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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.