Home / 10,903.18-15,046.42-6,186.56

Finding the Fourth Proportional to 10,903.18, 15,046.42 and 6,186.56

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Solution

The fourth proportional to 10,903.18, 15,046.42 and 6,186.56 is: 8,537.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.18 : 15,046.42 = 6,186.56 : x
  2. Step 2: Convert to fraction form
    10,903.18/15,046.42 = 6,186.56/x
  3. Step 3: Cross multiply
    10,903.18x = 15,046.42 × 6,186.56
  4. Step 4: Simplify right side
    10,903.18x = 93,085,580.12
  5. Step 5: Solve for x
    x = 93,085,580.12/10,903.18
  6. Step 6: Final answer
    x = 8,537.47

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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.