Home / 10,992.24-15,168.33-6,515.24

Finding the Fourth Proportional to 10,992.24, 15,168.33 and 6,515.24

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Solution

The fourth proportional to 10,992.24, 15,168.33 and 6,515.24 is: 8,990.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.24 : 15,168.33 = 6,515.24 : x
  2. Step 2: Convert to fraction form
    10,992.24/15,168.33 = 6,515.24/x
  3. Step 3: Cross multiply
    10,992.24x = 15,168.33 × 6,515.24
  4. Step 4: Simplify right side
    10,992.24x = 98,825,234.51
  5. Step 5: Solve for x
    x = 98,825,234.51/10,992.24
  6. Step 6: Final answer
    x = 8,990.45

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Double scale
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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.