Home / 9,172.26-13,754.19-2,931.06

Finding the Fourth Proportional to 9,172.26, 13,754.19 and 2,931.06

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Solution

The fourth proportional to 9,172.26, 13,754.19 and 2,931.06 is: 4,395.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.26 : 13,754.19 = 2,931.06 : x
  2. Step 2: Convert to fraction form
    9,172.26/13,754.19 = 2,931.06/x
  3. Step 3: Cross multiply
    9,172.26x = 13,754.19 × 2,931.06
  4. Step 4: Simplify right side
    9,172.26x = 40,314,356.14
  5. Step 5: Solve for x
    x = 40,314,356.14/9,172.26
  6. Step 6: Final answer
    x = 4,395.25

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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.