Home / 10,535.45-15,805.48-3,961.63

Finding the Fourth Proportional to 10,535.45, 15,805.48 and 3,961.63

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Solution

The fourth proportional to 10,535.45, 15,805.48 and 3,961.63 is: 5,943.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,535.45 : 15,805.48 = 3,961.63 : x
  2. Step 2: Convert to fraction form
    10,535.45/15,805.48 = 3,961.63/x
  3. Step 3: Cross multiply
    10,535.45x = 15,805.48 × 3,961.63
  4. Step 4: Simplify right side
    10,535.45x = 62,615,518.05
  5. Step 5: Solve for x
    x = 62,615,518.05/10,535.45
  6. Step 6: Final answer
    x = 5,943.32

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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.