Home / 9,292.36-13,920.72-5,771.92

Finding the Fourth Proportional to 9,292.36, 13,920.72 and 5,771.92

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Solution

The fourth proportional to 9,292.36, 13,920.72 and 5,771.92 is: 8,646.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,292.36 : 13,920.72 = 5,771.92 : x
  2. Step 2: Convert to fraction form
    9,292.36/13,920.72 = 5,771.92/x
  3. Step 3: Cross multiply
    9,292.36x = 13,920.72 × 5,771.92
  4. Step 4: Simplify right side
    9,292.36x = 80,349,282.18
  5. Step 5: Solve for x
    x = 80,349,282.18/9,292.36
  6. Step 6: Final answer
    x = 8,646.81

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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.