Home / 6,906.54-9,530.36-4,111.50

Finding the Fourth Proportional to 6,906.54, 9,530.36 and 4,111.50

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Solution

The fourth proportional to 6,906.54, 9,530.36 and 4,111.50 is: 5,673.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,906.54 : 9,530.36 = 4,111.50 : x
  2. Step 2: Convert to fraction form
    6,906.54/9,530.36 = 4,111.50/x
  3. Step 3: Cross multiply
    6,906.54x = 9,530.36 × 4,111.50
  4. Step 4: Simplify right side
    6,906.54x = 39,184,075.14
  5. Step 5: Solve for x
    x = 39,184,075.14/6,906.54
  6. Step 6: Final answer
    x = 5,673.47

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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.