Home / 9,126.23-13,683.56-3,858.53

Finding the Fourth Proportional to 9,126.23, 13,683.56 and 3,858.53

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Solution

The fourth proportional to 9,126.23, 13,683.56 and 3,858.53 is: 5,785.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.23 : 13,683.56 = 3,858.53 : x
  2. Step 2: Convert to fraction form
    9,126.23/13,683.56 = 3,858.53/x
  3. Step 3: Cross multiply
    9,126.23x = 13,683.56 × 3,858.53
  4. Step 4: Simplify right side
    9,126.23x = 52,798,339.06
  5. Step 5: Solve for x
    x = 52,798,339.06/9,126.23
  6. Step 6: Final answer
    x = 5,785.34

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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.