Home / 7,329.42-10,985.09-4,169.51

Finding the Fourth Proportional to 7,329.42, 10,985.09 and 4,169.51

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Solution

The fourth proportional to 7,329.42, 10,985.09 and 4,169.51 is: 6,249.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.42 : 10,985.09 = 4,169.51 : x
  2. Step 2: Convert to fraction form
    7,329.42/10,985.09 = 4,169.51/x
  3. Step 3: Cross multiply
    7,329.42x = 10,985.09 × 4,169.51
  4. Step 4: Simplify right side
    7,329.42x = 45,802,387.68
  5. Step 5: Solve for x
    x = 45,802,387.68/7,329.42
  6. Step 6: Final answer
    x = 6,249.12

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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.