Home / 7,491.12-10,336.32-4,695

Finding the Fourth Proportional to 7,491.12, 10,336.32 and 4,695

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Solution

The fourth proportional to 7,491.12, 10,336.32 and 4,695 is: 6,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.12 : 10,336.32 = 4,695 : x
  2. Step 2: Convert to fraction form
    7,491.12/10,336.32 = 4,695/x
  3. Step 3: Cross multiply
    7,491.12x = 10,336.32 × 4,695
  4. Step 4: Simplify right side
    7,491.12x = 48,529,022.40
  5. Step 5: Solve for x
    x = 48,529,022.40/7,491.12
  6. Step 6: Final answer
    x = 6,478.21

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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.