Home / 9,146.28-12,621.78-4,954.44

Finding the Fourth Proportional to 9,146.28, 12,621.78 and 4,954.44

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Solution

The fourth proportional to 9,146.28, 12,621.78 and 4,954.44 is: 6,837.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.28 : 12,621.78 = 4,954.44 : x
  2. Step 2: Convert to fraction form
    9,146.28/12,621.78 = 4,954.44/x
  3. Step 3: Cross multiply
    9,146.28x = 12,621.78 × 4,954.44
  4. Step 4: Simplify right side
    9,146.28x = 62,533,851.70
  5. Step 5: Solve for x
    x = 62,533,851.70/9,146.28
  6. Step 6: Final answer
    x = 6,837.08

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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.