Home / 7,415.24-11,124.14-2,485.35

Finding the Fourth Proportional to 7,415.24, 11,124.14 and 2,485.35

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Solution

The fourth proportional to 7,415.24, 11,124.14 and 2,485.35 is: 3,728.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.24 : 11,124.14 = 2,485.35 : x
  2. Step 2: Convert to fraction form
    7,415.24/11,124.14 = 2,485.35/x
  3. Step 3: Cross multiply
    7,415.24x = 11,124.14 × 2,485.35
  4. Step 4: Simplify right side
    7,415.24x = 27,647,368.92
  5. Step 5: Solve for x
    x = 27,647,368.92/7,415.24
  6. Step 6: Final answer
    x = 3,728.45

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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.