Home / 10,129.14-13,979.25-5,938.74

Finding the Fourth Proportional to 10,129.14, 13,979.25 and 5,938.74

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Solution

The fourth proportional to 10,129.14, 13,979.25 and 5,938.74 is: 8,196.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,129.14 : 13,979.25 = 5,938.74 : x
  2. Step 2: Convert to fraction form
    10,129.14/13,979.25 = 5,938.74/x
  3. Step 3: Cross multiply
    10,129.14x = 13,979.25 × 5,938.74
  4. Step 4: Simplify right side
    10,129.14x = 83,019,131.15
  5. Step 5: Solve for x
    x = 83,019,131.15/10,129.14
  6. Step 6: Final answer
    x = 8,196.07

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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.