Home / 30,885.98-46,328.43-7,512.62

Finding the Fourth Proportional to 30,885.98, 46,328.43 and 7,512.62

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Solution

The fourth proportional to 30,885.98, 46,328.43 and 7,512.62 is: 11,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885.98 : 46,328.43 = 7,512.62 : x
  2. Step 2: Convert to fraction form
    30,885.98/46,328.43 = 7,512.62/x
  3. Step 3: Cross multiply
    30,885.98x = 46,328.43 × 7,512.62
  4. Step 4: Simplify right side
    30,885.98x = 348,047,889.79
  5. Step 5: Solve for x
    x = 348,047,889.79/30,885.98
  6. Step 6: Final answer
    x = 11,268.80

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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.