Home / 11,453.67-15,805.60-6,673.86

Finding the Fourth Proportional to 11,453.67, 15,805.60 and 6,673.86

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Solution

The fourth proportional to 11,453.67, 15,805.60 and 6,673.86 is: 9,209.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.67 : 15,805.60 = 6,673.86 : x
  2. Step 2: Convert to fraction form
    11,453.67/15,805.60 = 6,673.86/x
  3. Step 3: Cross multiply
    11,453.67x = 15,805.60 × 6,673.86
  4. Step 4: Simplify right side
    11,453.67x = 105,484,344.93
  5. Step 5: Solve for x
    x = 105,484,344.93/11,453.67
  6. Step 6: Final answer
    x = 9,209.65

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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.