Home / 9,423.20-13,003.13-5,443.77

Finding the Fourth Proportional to 9,423.20, 13,003.13 and 5,443.77

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Solution

The fourth proportional to 9,423.20, 13,003.13 and 5,443.77 is: 7,511.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,423.20 : 13,003.13 = 5,443.77 : x
  2. Step 2: Convert to fraction form
    9,423.20/13,003.13 = 5,443.77/x
  3. Step 3: Cross multiply
    9,423.20x = 13,003.13 × 5,443.77
  4. Step 4: Simplify right side
    9,423.20x = 70,786,021.78
  5. Step 5: Solve for x
    x = 70,786,021.78/9,423.20
  6. Step 6: Final answer
    x = 7,511.89

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Half scale
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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.