Home / 7,326.72-10,990.99-2,646.14

Finding the Fourth Proportional to 7,326.72, 10,990.99 and 2,646.14

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Solution

The fourth proportional to 7,326.72, 10,990.99 and 2,646.14 is: 3,969.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.72 : 10,990.99 = 2,646.14 : x
  2. Step 2: Convert to fraction form
    7,326.72/10,990.99 = 2,646.14/x
  3. Step 3: Cross multiply
    7,326.72x = 10,990.99 × 2,646.14
  4. Step 4: Simplify right side
    7,326.72x = 29,083,646.63
  5. Step 5: Solve for x
    x = 29,083,646.63/7,326.72
  6. Step 6: Final answer
    x = 3,969.53

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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.