Home / 11,040-15,235.28-6,072

Finding the Fourth Proportional to 11,040, 15,235.28 and 6,072

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Solution

The fourth proportional to 11,040, 15,235.28 and 6,072 is: 8,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040 : 15,235.28 = 6,072 : x
  2. Step 2: Convert to fraction form
    11,040/15,235.28 = 6,072/x
  3. Step 3: Cross multiply
    11,040x = 15,235.28 × 6,072
  4. Step 4: Simplify right side
    11,040x = 92,508,620.16
  5. Step 5: Solve for x
    x = 92,508,620.16/11,040
  6. Step 6: Final answer
    x = 8,379.40

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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.