Home / 29,083.09-43,615.41-11,312.57

Finding the Fourth Proportional to 29,083.09, 43,615.41 and 11,312.57

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Solution

The fourth proportional to 29,083.09, 43,615.41 and 11,312.57 is: 16,965.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,083.09 : 43,615.41 = 11,312.57 : x
  2. Step 2: Convert to fraction form
    29,083.09/43,615.41 = 11,312.57/x
  3. Step 3: Cross multiply
    29,083.09x = 43,615.41 × 11,312.57
  4. Step 4: Simplify right side
    29,083.09x = 493,402,378.70
  5. Step 5: Solve for x
    x = 493,402,378.70/29,083.09
  6. Step 6: Final answer
    x = 16,965.27

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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.