Home / 7,866.09-10,855.22-4,329.52

Finding the Fourth Proportional to 7,866.09, 10,855.22 and 4,329.52

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Solution

The fourth proportional to 7,866.09, 10,855.22 and 4,329.52 is: 5,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866.09 : 10,855.22 = 4,329.52 : x
  2. Step 2: Convert to fraction form
    7,866.09/10,855.22 = 4,329.52/x
  3. Step 3: Cross multiply
    7,866.09x = 10,855.22 × 4,329.52
  4. Step 4: Simplify right side
    7,866.09x = 46,997,892.09
  5. Step 5: Solve for x
    x = 46,997,892.09/7,866.09
  6. Step 6: Final answer
    x = 5,974.75

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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.