Home / 7,963.26-10,980.44-5,445.78

Finding the Fourth Proportional to 7,963.26, 10,980.44 and 5,445.78

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Solution

The fourth proportional to 7,963.26, 10,980.44 and 5,445.78 is: 7,509.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963.26 : 10,980.44 = 5,445.78 : x
  2. Step 2: Convert to fraction form
    7,963.26/10,980.44 = 5,445.78/x
  3. Step 3: Cross multiply
    7,963.26x = 10,980.44 × 5,445.78
  4. Step 4: Simplify right side
    7,963.26x = 59,797,060.54
  5. Step 5: Solve for x
    x = 59,797,060.54/7,963.26
  6. Step 6: Final answer
    x = 7,509.12

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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.