Home / 34,131.38-51,205.70-9,507.38

Finding the Fourth Proportional to 34,131.38, 51,205.70 and 9,507.38

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Solution

The fourth proportional to 34,131.38, 51,205.70 and 9,507.38 is: 14,263.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,131.38 : 51,205.70 = 9,507.38 : x
  2. Step 2: Convert to fraction form
    34,131.38/51,205.70 = 9,507.38/x
  3. Step 3: Cross multiply
    34,131.38x = 51,205.70 × 9,507.38
  4. Step 4: Simplify right side
    34,131.38x = 486,831,815.81
  5. Step 5: Solve for x
    x = 486,831,815.81/34,131.38
  6. Step 6: Final answer
    x = 14,263.47

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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.