Home / 10,130.44-13,979.64-5,938.60

Finding the Fourth Proportional to 10,130.44, 13,979.64 and 5,938.60

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Solution

The fourth proportional to 10,130.44, 13,979.64 and 5,938.60 is: 8,195.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.44 : 13,979.64 = 5,938.60 : x
  2. Step 2: Convert to fraction form
    10,130.44/13,979.64 = 5,938.60/x
  3. Step 3: Cross multiply
    10,130.44x = 13,979.64 × 5,938.60
  4. Step 4: Simplify right side
    10,130.44x = 83,019,490.10
  5. Step 5: Solve for x
    x = 83,019,490.10/10,130.44
  6. Step 6: Final answer
    x = 8,195.05

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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.