Home / 12,571.74-17,347.70-7,268.26

Finding the Fourth Proportional to 12,571.74, 17,347.70 and 7,268.26

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Solution

The fourth proportional to 12,571.74, 17,347.70 and 7,268.26 is: 10,029.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571.74 : 17,347.70 = 7,268.26 : x
  2. Step 2: Convert to fraction form
    12,571.74/17,347.70 = 7,268.26/x
  3. Step 3: Cross multiply
    12,571.74x = 17,347.70 × 7,268.26
  4. Step 4: Simplify right side
    12,571.74x = 126,087,594.00
  5. Step 5: Solve for x
    x = 126,087,594.00/12,571.74
  6. Step 6: Final answer
    x = 10,029.45

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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.