Home / 12,558.75-17,331.26-7,254.33

Finding the Fourth Proportional to 12,558.75, 17,331.26 and 7,254.33

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Solution

The fourth proportional to 12,558.75, 17,331.26 and 7,254.33 is: 10,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.75 : 17,331.26 = 7,254.33 : x
  2. Step 2: Convert to fraction form
    12,558.75/17,331.26 = 7,254.33/x
  3. Step 3: Cross multiply
    12,558.75x = 17,331.26 × 7,254.33
  4. Step 4: Simplify right side
    12,558.75x = 125,726,679.36
  5. Step 5: Solve for x
    x = 125,726,679.36/12,558.75
  6. Step 6: Final answer
    x = 10,011.08

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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.