Home / 10,433.40-15,650.16-2,642.22

Finding the Fourth Proportional to 10,433.40, 15,650.16 and 2,642.22

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Solution

The fourth proportional to 10,433.40, 15,650.16 and 2,642.22 is: 3,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,433.40 : 15,650.16 = 2,642.22 : x
  2. Step 2: Convert to fraction form
    10,433.40/15,650.16 = 2,642.22/x
  3. Step 3: Cross multiply
    10,433.40x = 15,650.16 × 2,642.22
  4. Step 4: Simplify right side
    10,433.40x = 41,351,165.76
  5. Step 5: Solve for x
    x = 41,351,165.76/10,433.40
  6. Step 6: Final answer
    x = 3,963.35

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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.