Home / 7,865.23-10,853.73-4,328.37

Finding the Fourth Proportional to 7,865.23, 10,853.73 and 4,328.37

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Solution

The fourth proportional to 7,865.23, 10,853.73 and 4,328.37 is: 5,972.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.23 : 10,853.73 = 4,328.37 : x
  2. Step 2: Convert to fraction form
    7,865.23/10,853.73 = 4,328.37/x
  3. Step 3: Cross multiply
    7,865.23x = 10,853.73 × 4,328.37
  4. Step 4: Simplify right side
    7,865.23x = 46,978,959.32
  5. Step 5: Solve for x
    x = 46,978,959.32/7,865.23
  6. Step 6: Final answer
    x = 5,972.99

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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.