Home / 6,915.49-10,376.57-3,403.60

Finding the Fourth Proportional to 6,915.49, 10,376.57 and 3,403.60

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Solution

The fourth proportional to 6,915.49, 10,376.57 and 3,403.60 is: 5,107.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.49 : 10,376.57 = 3,403.60 : x
  2. Step 2: Convert to fraction form
    6,915.49/10,376.57 = 3,403.60/x
  3. Step 3: Cross multiply
    6,915.49x = 10,376.57 × 3,403.60
  4. Step 4: Simplify right side
    6,915.49x = 35,317,693.65
  5. Step 5: Solve for x
    x = 35,317,693.65/6,915.49
  6. Step 6: Final answer
    x = 5,107.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.