Home / 29,278.16-43,917.35-7,091.50

Finding the Fourth Proportional to 29,278.16, 43,917.35 and 7,091.50

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Solution

The fourth proportional to 29,278.16, 43,917.35 and 7,091.50 is: 10,637.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278.16 : 43,917.35 = 7,091.50 : x
  2. Step 2: Convert to fraction form
    29,278.16/43,917.35 = 7,091.50/x
  3. Step 3: Cross multiply
    29,278.16x = 43,917.35 × 7,091.50
  4. Step 4: Simplify right side
    29,278.16x = 311,439,887.53
  5. Step 5: Solve for x
    x = 311,439,887.53/29,278.16
  6. Step 6: Final answer
    x = 10,637.28

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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.