Home / 7,405.55-11,111.36-3,023.45

Finding the Fourth Proportional to 7,405.55, 11,111.36 and 3,023.45

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Solution

The fourth proportional to 7,405.55, 11,111.36 and 3,023.45 is: 4,536.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.55 : 11,111.36 = 3,023.45 : x
  2. Step 2: Convert to fraction form
    7,405.55/11,111.36 = 3,023.45/x
  3. Step 3: Cross multiply
    7,405.55x = 11,111.36 × 3,023.45
  4. Step 4: Simplify right side
    7,405.55x = 33,594,570.72
  5. Step 5: Solve for x
    x = 33,594,570.72/7,405.55
  6. Step 6: Final answer
    x = 4,536.41

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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.