Home / 13,336.98-18,406.06-7,369.16

Finding the Fourth Proportional to 13,336.98, 18,406.06 and 7,369.16

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Solution

The fourth proportional to 13,336.98, 18,406.06 and 7,369.16 is: 10,170.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.98 : 18,406.06 = 7,369.16 : x
  2. Step 2: Convert to fraction form
    13,336.98/18,406.06 = 7,369.16/x
  3. Step 3: Cross multiply
    13,336.98x = 18,406.06 × 7,369.16
  4. Step 4: Simplify right side
    13,336.98x = 135,637,201.11
  5. Step 5: Solve for x
    x = 135,637,201.11/13,336.98
  6. Step 6: Final answer
    x = 10,170.01

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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.