Home / 7,147.63-10,709.60-5,057.27

Finding the Fourth Proportional to 7,147.63, 10,709.60 and 5,057.27

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Solution

The fourth proportional to 7,147.63, 10,709.60 and 5,057.27 is: 7,577.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.63 : 10,709.60 = 5,057.27 : x
  2. Step 2: Convert to fraction form
    7,147.63/10,709.60 = 5,057.27/x
  3. Step 3: Cross multiply
    7,147.63x = 10,709.60 × 5,057.27
  4. Step 4: Simplify right side
    7,147.63x = 54,161,313.51
  5. Step 5: Solve for x
    x = 54,161,313.51/7,147.63
  6. Step 6: Final answer
    x = 7,577.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.