Home / 7,429.92-11,130.43-4,133.01

Finding the Fourth Proportional to 7,429.92, 11,130.43 and 4,133.01

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Solution

The fourth proportional to 7,429.92, 11,130.43 and 4,133.01 is: 6,191.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.92 : 11,130.43 = 4,133.01 : x
  2. Step 2: Convert to fraction form
    7,429.92/11,130.43 = 4,133.01/x
  3. Step 3: Cross multiply
    7,429.92x = 11,130.43 × 4,133.01
  4. Step 4: Simplify right side
    7,429.92x = 46,002,178.49
  5. Step 5: Solve for x
    x = 46,002,178.49/7,429.92
  6. Step 6: Final answer
    x = 6,191.48

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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.