Home / 10,135.86-15,204.90-3,560.28

Finding the Fourth Proportional to 10,135.86, 15,204.90 and 3,560.28

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Solution

The fourth proportional to 10,135.86, 15,204.90 and 3,560.28 is: 5,340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.86 : 15,204.90 = 3,560.28 : x
  2. Step 2: Convert to fraction form
    10,135.86/15,204.90 = 3,560.28/x
  3. Step 3: Cross multiply
    10,135.86x = 15,204.90 × 3,560.28
  4. Step 4: Simplify right side
    10,135.86x = 54,133,701.37
  5. Step 5: Solve for x
    x = 54,133,701.37/10,135.86
  6. Step 6: Final answer
    x = 5,340.81

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1.5x scale

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.