Home / 7,709.16-10,634.54-5,186.97

Finding the Fourth Proportional to 7,709.16, 10,634.54 and 5,186.97

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Solution

The fourth proportional to 7,709.16, 10,634.54 and 5,186.97 is: 7,155.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709.16 : 10,634.54 = 5,186.97 : x
  2. Step 2: Convert to fraction form
    7,709.16/10,634.54 = 5,186.97/x
  3. Step 3: Cross multiply
    7,709.16x = 10,634.54 × 5,186.97
  4. Step 4: Simplify right side
    7,709.16x = 55,161,014.01
  5. Step 5: Solve for x
    x = 55,161,014.01/7,709.16
  6. Step 6: Final answer
    x = 7,155.26

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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.