Home / 10,122.48-15,193.44-4,932

Finding the Fourth Proportional to 10,122.48, 15,193.44 and 4,932

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Solution

The fourth proportional to 10,122.48, 15,193.44 and 4,932 is: 7,402.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.48 : 15,193.44 = 4,932 : x
  2. Step 2: Convert to fraction form
    10,122.48/15,193.44 = 4,932/x
  3. Step 3: Cross multiply
    10,122.48x = 15,193.44 × 4,932
  4. Step 4: Simplify right side
    10,122.48x = 74,934,046.08
  5. Step 5: Solve for x
    x = 74,934,046.08/10,122.48
  6. Step 6: Final answer
    x = 7,402.74

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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.