Home / 7,219.74-9,963.27-4,425.18

Finding the Fourth Proportional to 7,219.74, 9,963.27 and 4,425.18

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Solution

The fourth proportional to 7,219.74, 9,963.27 and 4,425.18 is: 6,106.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.74 : 9,963.27 = 4,425.18 : x
  2. Step 2: Convert to fraction form
    7,219.74/9,963.27 = 4,425.18/x
  3. Step 3: Cross multiply
    7,219.74x = 9,963.27 × 4,425.18
  4. Step 4: Simplify right side
    7,219.74x = 44,089,263.14
  5. Step 5: Solve for x
    x = 44,089,263.14/7,219.74
  6. Step 6: Final answer
    x = 6,106.77

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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.