Home / 7,606.78-10,491.32-4,622.56

Finding the Fourth Proportional to 7,606.78, 10,491.32 and 4,622.56

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Solution

The fourth proportional to 7,606.78, 10,491.32 and 4,622.56 is: 6,375.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,606.78 : 10,491.32 = 4,622.56 : x
  2. Step 2: Convert to fraction form
    7,606.78/10,491.32 = 4,622.56/x
  3. Step 3: Cross multiply
    7,606.78x = 10,491.32 × 4,622.56
  4. Step 4: Simplify right side
    7,606.78x = 48,496,756.18
  5. Step 5: Solve for x
    x = 48,496,756.18/7,606.78
  6. Step 6: Final answer
    x = 6,375.46

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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.