Home / 31,117.90-46,676.86-7,744.34

Finding the Fourth Proportional to 31,117.90, 46,676.86 and 7,744.34

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Solution

The fourth proportional to 31,117.90, 46,676.86 and 7,744.34 is: 11,616.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,117.90 : 46,676.86 = 7,744.34 : x
  2. Step 2: Convert to fraction form
    31,117.90/46,676.86 = 7,744.34/x
  3. Step 3: Cross multiply
    31,117.90x = 46,676.86 × 7,744.34
  4. Step 4: Simplify right side
    31,117.90x = 361,481,221.23
  5. Step 5: Solve for x
    x = 361,481,221.23/31,117.90
  6. Step 6: Final answer
    x = 11,616.51

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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.