Home / 11,353.10-15,668.10-6,317.73

Finding the Fourth Proportional to 11,353.10, 15,668.10 and 6,317.73

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Solution

The fourth proportional to 11,353.10, 15,668.10 and 6,317.73 is: 8,718.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,353.10 : 15,668.10 = 6,317.73 : x
  2. Step 2: Convert to fraction form
    11,353.10/15,668.10 = 6,317.73/x
  3. Step 3: Cross multiply
    11,353.10x = 15,668.10 × 6,317.73
  4. Step 4: Simplify right side
    11,353.10x = 98,986,825.41
  5. Step 5: Solve for x
    x = 98,986,825.41/11,353.10
  6. Step 6: Final answer
    x = 8,718.93

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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.