Home / 11,629.08-17,430.66-5,045.40

Finding the Fourth Proportional to 11,629.08, 17,430.66 and 5,045.40

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Solution

The fourth proportional to 11,629.08, 17,430.66 and 5,045.40 is: 7,562.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,629.08 : 17,430.66 = 5,045.40 : x
  2. Step 2: Convert to fraction form
    11,629.08/17,430.66 = 5,045.40/x
  3. Step 3: Cross multiply
    11,629.08x = 17,430.66 × 5,045.40
  4. Step 4: Simplify right side
    11,629.08x = 87,944,651.96
  5. Step 5: Solve for x
    x = 87,944,651.96/11,629.08
  6. Step 6: Final answer
    x = 7,562.48

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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.