Home / 10,135.79-15,204.50-3,563.45

Finding the Fourth Proportional to 10,135.79, 15,204.50 and 3,563.45

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Solution

The fourth proportional to 10,135.79, 15,204.50 and 3,563.45 is: 5,345.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.79 : 15,204.50 = 3,563.45 : x
  2. Step 2: Convert to fraction form
    10,135.79/15,204.50 = 3,563.45/x
  3. Step 3: Cross multiply
    10,135.79x = 15,204.50 × 3,563.45
  4. Step 4: Simplify right side
    10,135.79x = 54,180,495.72
  5. Step 5: Solve for x
    x = 54,180,495.72/10,135.79
  6. Step 6: Final answer
    x = 5,345.46

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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.