Home / 29,313.12-43,969.27-7,126.42

Finding the Fourth Proportional to 29,313.12, 43,969.27 and 7,126.42

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Solution

The fourth proportional to 29,313.12, 43,969.27 and 7,126.42 is: 10,689.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,313.12 : 43,969.27 = 7,126.42 : x
  2. Step 2: Convert to fraction form
    29,313.12/43,969.27 = 7,126.42/x
  3. Step 3: Cross multiply
    29,313.12x = 43,969.27 × 7,126.42
  4. Step 4: Simplify right side
    29,313.12x = 313,343,485.11
  5. Step 5: Solve for x
    x = 313,343,485.11/29,313.12
  6. Step 6: Final answer
    x = 10,689.53

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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.