Home / 29,009.10-43,513.69-7,947.58

Finding the Fourth Proportional to 29,009.10, 43,513.69 and 7,947.58

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Solution

The fourth proportional to 29,009.10, 43,513.69 and 7,947.58 is: 11,921.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,009.10 : 43,513.69 = 7,947.58 : x
  2. Step 2: Convert to fraction form
    29,009.10/43,513.69 = 7,947.58/x
  3. Step 3: Cross multiply
    29,009.10x = 43,513.69 × 7,947.58
  4. Step 4: Simplify right side
    29,009.10x = 345,828,532.37
  5. Step 5: Solve for x
    x = 345,828,532.37/29,009.10
  6. Step 6: Final answer
    x = 11,921.38

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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.