Home / 7,622.94-10,516.32-4,477.71

Finding the Fourth Proportional to 7,622.94, 10,516.32 and 4,477.71

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Solution

The fourth proportional to 7,622.94, 10,516.32 and 4,477.71 is: 6,177.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.94 : 10,516.32 = 4,477.71 : x
  2. Step 2: Convert to fraction form
    7,622.94/10,516.32 = 4,477.71/x
  3. Step 3: Cross multiply
    7,622.94x = 10,516.32 × 4,477.71
  4. Step 4: Simplify right side
    7,622.94x = 47,089,031.23
  5. Step 5: Solve for x
    x = 47,089,031.23/7,622.94
  6. Step 6: Final answer
    x = 6,177.28

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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.