Home / 7,615.44-10,506.78-4,630.32

Finding the Fourth Proportional to 7,615.44, 10,506.78 and 4,630.32

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Solution

The fourth proportional to 7,615.44, 10,506.78 and 4,630.32 is: 6,388.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.44 : 10,506.78 = 4,630.32 : x
  2. Step 2: Convert to fraction form
    7,615.44/10,506.78 = 4,630.32/x
  3. Step 3: Cross multiply
    7,615.44x = 10,506.78 × 4,630.32
  4. Step 4: Simplify right side
    7,615.44x = 48,649,753.57
  5. Step 5: Solve for x
    x = 48,649,753.57/7,615.44
  6. Step 6: Final answer
    x = 6,388.31

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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.