Home / 7,772.72-10,725.99-4,415.45

Finding the Fourth Proportional to 7,772.72, 10,725.99 and 4,415.45

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Solution

The fourth proportional to 7,772.72, 10,725.99 and 4,415.45 is: 6,093.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.72 : 10,725.99 = 4,415.45 : x
  2. Step 2: Convert to fraction form
    7,772.72/10,725.99 = 4,415.45/x
  3. Step 3: Cross multiply
    7,772.72x = 10,725.99 × 4,415.45
  4. Step 4: Simplify right side
    7,772.72x = 47,360,072.55
  5. Step 5: Solve for x
    x = 47,360,072.55/7,772.72
  6. Step 6: Final answer
    x = 6,093.11

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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.