Home / 9,423.36-13,004.88-5,231.52

Finding the Fourth Proportional to 9,423.36, 13,004.88 and 5,231.52

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Solution

The fourth proportional to 9,423.36, 13,004.88 and 5,231.52 is: 7,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,423.36 : 13,004.88 = 5,231.52 : x
  2. Step 2: Convert to fraction form
    9,423.36/13,004.88 = 5,231.52/x
  3. Step 3: Cross multiply
    9,423.36x = 13,004.88 × 5,231.52
  4. Step 4: Simplify right side
    9,423.36x = 68,035,289.82
  5. Step 5: Solve for x
    x = 68,035,289.82/9,423.36
  6. Step 6: Final answer
    x = 7,219.85

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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.