Home / 31,072.64-46,609.77-7,698.74

Finding the Fourth Proportional to 31,072.64, 46,609.77 and 7,698.74

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Solution

The fourth proportional to 31,072.64, 46,609.77 and 7,698.74 is: 11,548.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,072.64 : 46,609.77 = 7,698.74 : x
  2. Step 2: Convert to fraction form
    31,072.64/46,609.77 = 7,698.74/x
  3. Step 3: Cross multiply
    31,072.64x = 46,609.77 × 7,698.74
  4. Step 4: Simplify right side
    31,072.64x = 358,836,500.69
  5. Step 5: Solve for x
    x = 358,836,500.69/31,072.64
  6. Step 6: Final answer
    x = 11,548.31

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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.