Home / 9,877.35-13,558.19-8,733.23

Finding the Fourth Proportional to 9,877.35, 13,558.19 and 8,733.23

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Solution

The fourth proportional to 9,877.35, 13,558.19 and 8,733.23 is: 11,987.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,877.35 : 13,558.19 = 8,733.23 : x
  2. Step 2: Convert to fraction form
    9,877.35/13,558.19 = 8,733.23/x
  3. Step 3: Cross multiply
    9,877.35x = 13,558.19 × 8,733.23
  4. Step 4: Simplify right side
    9,877.35x = 118,406,791.65
  5. Step 5: Solve for x
    x = 118,406,791.65/9,877.35
  6. Step 6: Final answer
    x = 11,987.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.