Home / 9,631.38-13,294.62-5,653.74

Finding the Fourth Proportional to 9,631.38, 13,294.62 and 5,653.74

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Solution

The fourth proportional to 9,631.38, 13,294.62 and 5,653.74 is: 7,804.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631.38 : 13,294.62 = 5,653.74 : x
  2. Step 2: Convert to fraction form
    9,631.38/13,294.62 = 5,653.74/x
  3. Step 3: Cross multiply
    9,631.38x = 13,294.62 × 5,653.74
  4. Step 4: Simplify right side
    9,631.38x = 75,164,324.88
  5. Step 5: Solve for x
    x = 75,164,324.88/9,631.38
  6. Step 6: Final answer
    x = 7,804.11

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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.