Home / 7,329.15-10,986.73-3,165.03

Finding the Fourth Proportional to 7,329.15, 10,986.73 and 3,165.03

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Solution

The fourth proportional to 7,329.15, 10,986.73 and 3,165.03 is: 4,744.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.15 : 10,986.73 = 3,165.03 : x
  2. Step 2: Convert to fraction form
    7,329.15/10,986.73 = 3,165.03/x
  3. Step 3: Cross multiply
    7,329.15x = 10,986.73 × 3,165.03
  4. Step 4: Simplify right side
    7,329.15x = 34,773,322.14
  5. Step 5: Solve for x
    x = 34,773,322.14/7,329.15
  6. Step 6: Final answer
    x = 4,744.52

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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.