Home / 31,160.24-46,740.48-7,786.70

Finding the Fourth Proportional to 31,160.24, 46,740.48 and 7,786.70

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Solution

The fourth proportional to 31,160.24, 46,740.48 and 7,786.70 is: 11,680.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,160.24 : 46,740.48 = 7,786.70 : x
  2. Step 2: Convert to fraction form
    31,160.24/46,740.48 = 7,786.70/x
  3. Step 3: Cross multiply
    31,160.24x = 46,740.48 × 7,786.70
  4. Step 4: Simplify right side
    31,160.24x = 363,954,095.62
  5. Step 5: Solve for x
    x = 363,954,095.62/31,160.24
  6. Step 6: Final answer
    x = 11,680.08

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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.