Home / 13,175.04-18,181.35-7,206.60

Finding the Fourth Proportional to 13,175.04, 18,181.35 and 7,206.60

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Solution

The fourth proportional to 13,175.04, 18,181.35 and 7,206.60 is: 9,945.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.04 : 18,181.35 = 7,206.60 : x
  2. Step 2: Convert to fraction form
    13,175.04/18,181.35 = 7,206.60/x
  3. Step 3: Cross multiply
    13,175.04x = 18,181.35 × 7,206.60
  4. Step 4: Simplify right side
    13,175.04x = 131,025,716.91
  5. Step 5: Solve for x
    x = 131,025,716.91/13,175.04
  6. Step 6: Final answer
    x = 9,945.00

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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.