Home / 6,907.80-10,365.30-3,012.60

Finding the Fourth Proportional to 6,907.80, 10,365.30 and 3,012.60

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Solution

The fourth proportional to 6,907.80, 10,365.30 and 3,012.60 is: 4,520.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,907.80 : 10,365.30 = 3,012.60 : x
  2. Step 2: Convert to fraction form
    6,907.80/10,365.30 = 3,012.60/x
  3. Step 3: Cross multiply
    6,907.80x = 10,365.30 × 3,012.60
  4. Step 4: Simplify right side
    6,907.80x = 31,226,502.78
  5. Step 5: Solve for x
    x = 31,226,502.78/6,907.80
  6. Step 6: Final answer
    x = 4,520.47

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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.