Home / 7,622.93-10,518.04-4,477.97

Finding the Fourth Proportional to 7,622.93, 10,518.04 and 4,477.97

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Solution

The fourth proportional to 7,622.93, 10,518.04 and 4,477.97 is: 6,178.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.93 : 10,518.04 = 4,477.97 : x
  2. Step 2: Convert to fraction form
    7,622.93/10,518.04 = 4,477.97/x
  3. Step 3: Cross multiply
    7,622.93x = 10,518.04 × 4,477.97
  4. Step 4: Simplify right side
    7,622.93x = 47,099,467.58
  5. Step 5: Solve for x
    x = 47,099,467.58/7,622.93
  6. Step 6: Final answer
    x = 6,178.66

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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.