Home / 7,585.08-11,379.14-3,143.04

Finding the Fourth Proportional to 7,585.08, 11,379.14 and 3,143.04

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Solution

The fourth proportional to 7,585.08, 11,379.14 and 3,143.04 is: 4,715.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.08 : 11,379.14 = 3,143.04 : x
  2. Step 2: Convert to fraction form
    7,585.08/11,379.14 = 3,143.04/x
  3. Step 3: Cross multiply
    7,585.08x = 11,379.14 × 3,143.04
  4. Step 4: Simplify right side
    7,585.08x = 35,765,092.19
  5. Step 5: Solve for x
    x = 35,765,092.19/7,585.08
  6. Step 6: Final answer
    x = 4,715.19

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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.