Home / 31,010.64-46,515.42-7,636.92

Finding the Fourth Proportional to 31,010.64, 46,515.42 and 7,636.92

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Solution

The fourth proportional to 31,010.64, 46,515.42 and 7,636.92 is: 11,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,010.64 : 46,515.42 = 7,636.92 : x
  2. Step 2: Convert to fraction form
    31,010.64/46,515.42 = 7,636.92/x
  3. Step 3: Cross multiply
    31,010.64x = 46,515.42 × 7,636.92
  4. Step 4: Simplify right side
    31,010.64x = 355,234,541.31
  5. Step 5: Solve for x
    x = 355,234,541.31/31,010.64
  6. Step 6: Final answer
    x = 11,455.25

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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.