Home / 6,905.12-9,530.16-4,112.24

Finding the Fourth Proportional to 6,905.12, 9,530.16 and 4,112.24

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Solution

The fourth proportional to 6,905.12, 9,530.16 and 4,112.24 is: 5,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.12 : 9,530.16 = 4,112.24 : x
  2. Step 2: Convert to fraction form
    6,905.12/9,530.16 = 4,112.24/x
  3. Step 3: Cross multiply
    6,905.12x = 9,530.16 × 4,112.24
  4. Step 4: Simplify right side
    6,905.12x = 39,190,305.16
  5. Step 5: Solve for x
    x = 39,190,305.16/6,905.12
  6. Step 6: Final answer
    x = 5,675.54

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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.