Home / 11,583.18-15,984.87-6,278.01

Finding the Fourth Proportional to 11,583.18, 15,984.87 and 6,278.01

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Solution

The fourth proportional to 11,583.18, 15,984.87 and 6,278.01 is: 8,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,583.18 : 15,984.87 = 6,278.01 : x
  2. Step 2: Convert to fraction form
    11,583.18/15,984.87 = 6,278.01/x
  3. Step 3: Cross multiply
    11,583.18x = 15,984.87 × 6,278.01
  4. Step 4: Simplify right side
    11,583.18x = 100,353,173.71
  5. Step 5: Solve for x
    x = 100,353,173.71/11,583.18
  6. Step 6: Final answer
    x = 8,663.70

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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.