Home / 7,255.36-10,012.20-4,111.84

Finding the Fourth Proportional to 7,255.36, 10,012.20 and 4,111.84

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Solution

The fourth proportional to 7,255.36, 10,012.20 and 4,111.84 is: 5,674.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.36 : 10,012.20 = 4,111.84 : x
  2. Step 2: Convert to fraction form
    7,255.36/10,012.20 = 4,111.84/x
  3. Step 3: Cross multiply
    7,255.36x = 10,012.20 × 4,111.84
  4. Step 4: Simplify right side
    7,255.36x = 41,168,564.45
  5. Step 5: Solve for x
    x = 41,168,564.45/7,255.36
  6. Step 6: Final answer
    x = 5,674.23

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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.