Home / 7,476.69-11,208.12-4,187.48

Finding the Fourth Proportional to 7,476.69, 11,208.12 and 4,187.48

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Solution

The fourth proportional to 7,476.69, 11,208.12 and 4,187.48 is: 6,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.69 : 11,208.12 = 4,187.48 : x
  2. Step 2: Convert to fraction form
    7,476.69/11,208.12 = 4,187.48/x
  3. Step 3: Cross multiply
    7,476.69x = 11,208.12 × 4,187.48
  4. Step 4: Simplify right side
    7,476.69x = 46,933,756.30
  5. Step 5: Solve for x
    x = 46,933,756.30/7,476.69
  6. Step 6: Final answer
    x = 6,277.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.