Home / 7,361.30-10,162.32-4,378.10

Finding the Fourth Proportional to 7,361.30, 10,162.32 and 4,378.10

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Solution

The fourth proportional to 7,361.30, 10,162.32 and 4,378.10 is: 6,043.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.30 : 10,162.32 = 4,378.10 : x
  2. Step 2: Convert to fraction form
    7,361.30/10,162.32 = 4,378.10/x
  3. Step 3: Cross multiply
    7,361.30x = 10,162.32 × 4,378.10
  4. Step 4: Simplify right side
    7,361.30x = 44,491,653.19
  5. Step 5: Solve for x
    x = 44,491,653.19/7,361.30
  6. Step 6: Final answer
    x = 6,043.99

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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.