Home / 7,518.25-10,375.36-4,870.27

Finding the Fourth Proportional to 7,518.25, 10,375.36 and 4,870.27

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Solution

The fourth proportional to 7,518.25, 10,375.36 and 4,870.27 is: 6,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.25 : 10,375.36 = 4,870.27 : x
  2. Step 2: Convert to fraction form
    7,518.25/10,375.36 = 4,870.27/x
  3. Step 3: Cross multiply
    7,518.25x = 10,375.36 × 4,870.27
  4. Step 4: Simplify right side
    7,518.25x = 50,530,766.43
  5. Step 5: Solve for x
    x = 50,530,766.43/7,518.25
  6. Step 6: Final answer
    x = 6,721.08

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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.