Home / 9,423.38-13,004.85-5,231.66

Finding the Fourth Proportional to 9,423.38, 13,004.85 and 5,231.66

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Solution

The fourth proportional to 9,423.38, 13,004.85 and 5,231.66 is: 7,220.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,423.38 : 13,004.85 = 5,231.66 : x
  2. Step 2: Convert to fraction form
    9,423.38/13,004.85 = 5,231.66/x
  3. Step 3: Cross multiply
    9,423.38x = 13,004.85 × 5,231.66
  4. Step 4: Simplify right side
    9,423.38x = 68,036,953.55
  5. Step 5: Solve for x
    x = 68,036,953.55/9,423.38
  6. Step 6: Final answer
    x = 7,220.02

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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.