Home / 31,132.89-46,698.93-7,759.53

Finding the Fourth Proportional to 31,132.89, 46,698.93 and 7,759.53

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Solution

The fourth proportional to 31,132.89, 46,698.93 and 7,759.53 is: 11,639.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,132.89 : 46,698.93 = 7,759.53 : x
  2. Step 2: Convert to fraction form
    31,132.89/46,698.93 = 7,759.53/x
  3. Step 3: Cross multiply
    31,132.89x = 46,698.93 × 7,759.53
  4. Step 4: Simplify right side
    31,132.89x = 362,361,748.30
  5. Step 5: Solve for x
    x = 362,361,748.30/31,132.89
  6. Step 6: Final answer
    x = 11,639.19

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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.