Home / 10,072.49-15,134.25-6,376.46

Finding the Fourth Proportional to 10,072.49, 15,134.25 and 6,376.46

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Solution

The fourth proportional to 10,072.49, 15,134.25 and 6,376.46 is: 9,580.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.49 : 15,134.25 = 6,376.46 : x
  2. Step 2: Convert to fraction form
    10,072.49/15,134.25 = 6,376.46/x
  3. Step 3: Cross multiply
    10,072.49x = 15,134.25 × 6,376.46
  4. Step 4: Simplify right side
    10,072.49x = 96,502,939.76
  5. Step 5: Solve for x
    x = 96,502,939.76/10,072.49
  6. Step 6: Final answer
    x = 9,580.84

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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.