Home / 31,109.20-46,663.83-7,735.64

Finding the Fourth Proportional to 31,109.20, 46,663.83 and 7,735.64

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Solution

The fourth proportional to 31,109.20, 46,663.83 and 7,735.64 is: 11,603.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,109.20 : 46,663.83 = 7,735.64 : x
  2. Step 2: Convert to fraction form
    31,109.20/46,663.83 = 7,735.64/x
  3. Step 3: Cross multiply
    31,109.20x = 46,663.83 × 7,735.64
  4. Step 4: Simplify right side
    31,109.20x = 360,974,356.58
  5. Step 5: Solve for x
    x = 360,974,356.58/31,109.20
  6. Step 6: Final answer
    x = 11,603.46

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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.