Home / 7,718.23-10,651.15-4,181.46

Finding the Fourth Proportional to 7,718.23, 10,651.15 and 4,181.46

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Solution

The fourth proportional to 7,718.23, 10,651.15 and 4,181.46 is: 5,770.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.23 : 10,651.15 = 4,181.46 : x
  2. Step 2: Convert to fraction form
    7,718.23/10,651.15 = 4,181.46/x
  3. Step 3: Cross multiply
    7,718.23x = 10,651.15 × 4,181.46
  4. Step 4: Simplify right side
    7,718.23x = 44,537,357.68
  5. Step 5: Solve for x
    x = 44,537,357.68/7,718.23
  6. Step 6: Final answer
    x = 5,770.41

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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.