Home / 12,621.16-18,926.34-5,601.16

Finding the Fourth Proportional to 12,621.16, 18,926.34 and 5,601.16

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Solution

The fourth proportional to 12,621.16, 18,926.34 and 5,601.16 is: 8,399.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621.16 : 18,926.34 = 5,601.16 : x
  2. Step 2: Convert to fraction form
    12,621.16/18,926.34 = 5,601.16/x
  3. Step 3: Cross multiply
    12,621.16x = 18,926.34 × 5,601.16
  4. Step 4: Simplify right side
    12,621.16x = 106,009,458.55
  5. Step 5: Solve for x
    x = 106,009,458.55/12,621.16
  6. Step 6: Final answer
    x = 8,399.34

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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.