Home / 10,861.37-16,290.97-5,017.90

Finding the Fourth Proportional to 10,861.37, 16,290.97 and 5,017.90

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Solution

The fourth proportional to 10,861.37, 16,290.97 and 5,017.90 is: 7,526.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861.37 : 16,290.97 = 5,017.90 : x
  2. Step 2: Convert to fraction form
    10,861.37/16,290.97 = 5,017.90/x
  3. Step 3: Cross multiply
    10,861.37x = 16,290.97 × 5,017.90
  4. Step 4: Simplify right side
    10,861.37x = 81,746,458.36
  5. Step 5: Solve for x
    x = 81,746,458.36/10,861.37
  6. Step 6: Final answer
    x = 7,526.35

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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.