Home / 7,119.12-10,673.55-4,345.14

Finding the Fourth Proportional to 7,119.12, 10,673.55 and 4,345.14

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Solution

The fourth proportional to 7,119.12, 10,673.55 and 4,345.14 is: 6,514.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.12 : 10,673.55 = 4,345.14 : x
  2. Step 2: Convert to fraction form
    7,119.12/10,673.55 = 4,345.14/x
  3. Step 3: Cross multiply
    7,119.12x = 10,673.55 × 4,345.14
  4. Step 4: Simplify right side
    7,119.12x = 46,378,069.05
  5. Step 5: Solve for x
    x = 46,378,069.05/7,119.12
  6. Step 6: Final answer
    x = 6,514.58

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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.