Home / 11,255.10-15,532.74-6,219.06

Finding the Fourth Proportional to 11,255.10, 15,532.74 and 6,219.06

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Solution

The fourth proportional to 11,255.10, 15,532.74 and 6,219.06 is: 8,582.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.10 : 15,532.74 = 6,219.06 : x
  2. Step 2: Convert to fraction form
    11,255.10/15,532.74 = 6,219.06/x
  3. Step 3: Cross multiply
    11,255.10x = 15,532.74 × 6,219.06
  4. Step 4: Simplify right side
    11,255.10x = 96,599,042.02
  5. Step 5: Solve for x
    x = 96,599,042.02/11,255.10
  6. Step 6: Final answer
    x = 8,582.69

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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.