Home / 9,311.13-12,849.44-5,332.01

Finding the Fourth Proportional to 9,311.13, 12,849.44 and 5,332.01

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Solution

The fourth proportional to 9,311.13, 12,849.44 and 5,332.01 is: 7,358.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311.13 : 12,849.44 = 5,332.01 : x
  2. Step 2: Convert to fraction form
    9,311.13/12,849.44 = 5,332.01/x
  3. Step 3: Cross multiply
    9,311.13x = 12,849.44 × 5,332.01
  4. Step 4: Simplify right side
    9,311.13x = 68,513,251.67
  5. Step 5: Solve for x
    x = 68,513,251.67/9,311.13
  6. Step 6: Final answer
    x = 7,358.21

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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.