Home / 10,937.37-16,406.19-3,146.25

Finding the Fourth Proportional to 10,937.37, 16,406.19 and 3,146.25

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Solution

The fourth proportional to 10,937.37, 16,406.19 and 3,146.25 is: 4,719.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,937.37 : 16,406.19 = 3,146.25 : x
  2. Step 2: Convert to fraction form
    10,937.37/16,406.19 = 3,146.25/x
  3. Step 3: Cross multiply
    10,937.37x = 16,406.19 × 3,146.25
  4. Step 4: Simplify right side
    10,937.37x = 51,617,975.29
  5. Step 5: Solve for x
    x = 51,617,975.29/10,937.37
  6. Step 6: Final answer
    x = 4,719.41

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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.