Home / 6,665.15-9,988.19-4,896.28

Finding the Fourth Proportional to 6,665.15, 9,988.19 and 4,896.28

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Solution

The fourth proportional to 6,665.15, 9,988.19 and 4,896.28 is: 7,337.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.15 : 9,988.19 = 4,896.28 : x
  2. Step 2: Convert to fraction form
    6,665.15/9,988.19 = 4,896.28/x
  3. Step 3: Cross multiply
    6,665.15x = 9,988.19 × 4,896.28
  4. Step 4: Simplify right side
    6,665.15x = 48,905,008.84
  5. Step 5: Solve for x
    x = 48,905,008.84/6,665.15
  6. Step 6: Final answer
    x = 7,337.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.