Home / 11,255.22-15,532.02-6,219.65

Finding the Fourth Proportional to 11,255.22, 15,532.02 and 6,219.65

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Solution

The fourth proportional to 11,255.22, 15,532.02 and 6,219.65 is: 8,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.22 : 15,532.02 = 6,219.65 : x
  2. Step 2: Convert to fraction form
    11,255.22/15,532.02 = 6,219.65/x
  3. Step 3: Cross multiply
    11,255.22x = 15,532.02 × 6,219.65
  4. Step 4: Simplify right side
    11,255.22x = 96,603,728.19
  5. Step 5: Solve for x
    x = 96,603,728.19/11,255.22
  6. Step 6: Final answer
    x = 8,583.02

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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.