Home / 29,140.97-43,710.23-8,364.47

Finding the Fourth Proportional to 29,140.97, 43,710.23 and 8,364.47

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Solution

The fourth proportional to 29,140.97, 43,710.23 and 8,364.47 is: 12,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,140.97 : 43,710.23 = 8,364.47 : x
  2. Step 2: Convert to fraction form
    29,140.97/43,710.23 = 8,364.47/x
  3. Step 3: Cross multiply
    29,140.97x = 43,710.23 × 8,364.47
  4. Step 4: Simplify right side
    29,140.97x = 365,612,709.89
  5. Step 5: Solve for x
    x = 365,612,709.89/29,140.97
  6. Step 6: Final answer
    x = 12,546.35

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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.