Home / 10,433.40-15,647.63-4,193.43

Finding the Fourth Proportional to 10,433.40, 15,647.63 and 4,193.43

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Solution

The fourth proportional to 10,433.40, 15,647.63 and 4,193.43 is: 6,289.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,433.40 : 15,647.63 = 4,193.43 : x
  2. Step 2: Convert to fraction form
    10,433.40/15,647.63 = 4,193.43/x
  3. Step 3: Cross multiply
    10,433.40x = 15,647.63 × 4,193.43
  4. Step 4: Simplify right side
    10,433.40x = 65,617,220.10
  5. Step 5: Solve for x
    x = 65,617,220.10/10,433.40
  6. Step 6: Final answer
    x = 6,289.15

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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.