Home / 7,424.20-11,111.10-4,504.60

Finding the Fourth Proportional to 7,424.20, 11,111.10 and 4,504.60

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Solution

The fourth proportional to 7,424.20, 11,111.10 and 4,504.60 is: 6,741.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.20 : 11,111.10 = 4,504.60 : x
  2. Step 2: Convert to fraction form
    7,424.20/11,111.10 = 4,504.60/x
  3. Step 3: Cross multiply
    7,424.20x = 11,111.10 × 4,504.60
  4. Step 4: Simplify right side
    7,424.20x = 50,051,061.06
  5. Step 5: Solve for x
    x = 50,051,061.06/7,424.20
  6. Step 6: Final answer
    x = 6,741.61

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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.