Home / 7,243.14-10,866.08-2,860.64

Finding the Fourth Proportional to 7,243.14, 10,866.08 and 2,860.64

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Solution

The fourth proportional to 7,243.14, 10,866.08 and 2,860.64 is: 4,291.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.14 : 10,866.08 = 2,860.64 : x
  2. Step 2: Convert to fraction form
    7,243.14/10,866.08 = 2,860.64/x
  3. Step 3: Cross multiply
    7,243.14x = 10,866.08 × 2,860.64
  4. Step 4: Simplify right side
    7,243.14x = 31,083,943.09
  5. Step 5: Solve for x
    x = 31,083,943.09/7,243.14
  6. Step 6: Final answer
    x = 4,291.50

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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.