Home / 9,271.26-13,902.57-5,376.78

Finding the Fourth Proportional to 9,271.26, 13,902.57 and 5,376.78

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Solution

The fourth proportional to 9,271.26, 13,902.57 and 5,376.78 is: 8,062.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,271.26 : 13,902.57 = 5,376.78 : x
  2. Step 2: Convert to fraction form
    9,271.26/13,902.57 = 5,376.78/x
  3. Step 3: Cross multiply
    9,271.26x = 13,902.57 × 5,376.78
  4. Step 4: Simplify right side
    9,271.26x = 74,751,060.32
  5. Step 5: Solve for x
    x = 74,751,060.32/9,271.26
  6. Step 6: Final answer
    x = 8,062.66

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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.