Home / 13,284.83-18,332.69-7,234.84

Finding the Fourth Proportional to 13,284.83, 18,332.69 and 7,234.84

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Solution

The fourth proportional to 13,284.83, 18,332.69 and 7,234.84 is: 9,983.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.83 : 18,332.69 = 7,234.84 : x
  2. Step 2: Convert to fraction form
    13,284.83/18,332.69 = 7,234.84/x
  3. Step 3: Cross multiply
    13,284.83x = 18,332.69 × 7,234.84
  4. Step 4: Simplify right side
    13,284.83x = 132,634,092.79
  5. Step 5: Solve for x
    x = 132,634,092.79/13,284.83
  6. Step 6: Final answer
    x = 9,983.87

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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.