Home / 11,170.36-16,742.70-6,242.32

Finding the Fourth Proportional to 11,170.36, 16,742.70 and 6,242.32

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Solution

The fourth proportional to 11,170.36, 16,742.70 and 6,242.32 is: 9,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,170.36 : 16,742.70 = 6,242.32 : x
  2. Step 2: Convert to fraction form
    11,170.36/16,742.70 = 6,242.32/x
  3. Step 3: Cross multiply
    11,170.36x = 16,742.70 × 6,242.32
  4. Step 4: Simplify right side
    11,170.36x = 104,513,291.06
  5. Step 5: Solve for x
    x = 104,513,291.06/11,170.36
  6. Step 6: Final answer
    x = 9,356.30

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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.