Home / 7,313.12-10,091.92-4,329

Finding the Fourth Proportional to 7,313.12, 10,091.92 and 4,329

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Solution

The fourth proportional to 7,313.12, 10,091.92 and 4,329 is: 5,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,313.12 : 10,091.92 = 4,329 : x
  2. Step 2: Convert to fraction form
    7,313.12/10,091.92 = 4,329/x
  3. Step 3: Cross multiply
    7,313.12x = 10,091.92 × 4,329
  4. Step 4: Simplify right side
    7,313.12x = 43,687,921.68
  5. Step 5: Solve for x
    x = 43,687,921.68/7,313.12
  6. Step 6: Final answer
    x = 5,973.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.