Home / 9,732.69-13,431.13-5,540.94

Finding the Fourth Proportional to 9,732.69, 13,431.13 and 5,540.94

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Solution

The fourth proportional to 9,732.69, 13,431.13 and 5,540.94 is: 7,646.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,732.69 : 13,431.13 = 5,540.94 : x
  2. Step 2: Convert to fraction form
    9,732.69/13,431.13 = 5,540.94/x
  3. Step 3: Cross multiply
    9,732.69x = 13,431.13 × 5,540.94
  4. Step 4: Simplify right side
    9,732.69x = 74,421,057.76
  5. Step 5: Solve for x
    x = 74,421,057.76/9,732.69
  6. Step 6: Final answer
    x = 7,646.50

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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.