Home / 10,647.10-16,050.40-9,933.49

Finding the Fourth Proportional to 10,647.10, 16,050.40 and 9,933.49

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Solution

The fourth proportional to 10,647.10, 16,050.40 and 9,933.49 is: 14,974.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.10 : 16,050.40 = 9,933.49 : x
  2. Step 2: Convert to fraction form
    10,647.10/16,050.40 = 9,933.49/x
  3. Step 3: Cross multiply
    10,647.10x = 16,050.40 × 9,933.49
  4. Step 4: Simplify right side
    10,647.10x = 159,436,487.90
  5. Step 5: Solve for x
    x = 159,436,487.90/10,647.10
  6. Step 6: Final answer
    x = 14,974.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.