Home / 7,868.44-10,858-4,331.08

Finding the Fourth Proportional to 7,868.44, 10,858 and 4,331.08

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Solution

The fourth proportional to 7,868.44, 10,858 and 4,331.08 is: 5,976.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.44 : 10,858 = 4,331.08 : x
  2. Step 2: Convert to fraction form
    7,868.44/10,858 = 4,331.08/x
  3. Step 3: Cross multiply
    7,868.44x = 10,858 × 4,331.08
  4. Step 4: Simplify right side
    7,868.44x = 47,026,866.64
  5. Step 5: Solve for x
    x = 47,026,866.64/7,868.44
  6. Step 6: Final answer
    x = 5,976.64

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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.