Home / 10,130.25-13,979.76-5,940.93

Finding the Fourth Proportional to 10,130.25, 13,979.76 and 5,940.93

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Solution

The fourth proportional to 10,130.25, 13,979.76 and 5,940.93 is: 8,198.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.25 : 13,979.76 = 5,940.93 : x
  2. Step 2: Convert to fraction form
    10,130.25/13,979.76 = 5,940.93/x
  3. Step 3: Cross multiply
    10,130.25x = 13,979.76 × 5,940.93
  4. Step 4: Simplify right side
    10,130.25x = 83,052,775.58
  5. Step 5: Solve for x
    x = 83,052,775.58/10,130.25
  6. Step 6: Final answer
    x = 8,198.49

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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.