Home / 10,903.56-15,046.47-6,187.74

Finding the Fourth Proportional to 10,903.56, 15,046.47 and 6,187.74

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Solution

The fourth proportional to 10,903.56, 15,046.47 and 6,187.74 is: 8,538.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.56 : 15,046.47 = 6,187.74 : x
  2. Step 2: Convert to fraction form
    10,903.56/15,046.47 = 6,187.74/x
  3. Step 3: Cross multiply
    10,903.56x = 15,046.47 × 6,187.74
  4. Step 4: Simplify right side
    10,903.56x = 93,103,644.28
  5. Step 5: Solve for x
    x = 93,103,644.28/10,903.56
  6. Step 6: Final answer
    x = 8,538.83

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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.