Home / 10,499.77-15,749.87-3,104.22

Finding the Fourth Proportional to 10,499.77, 15,749.87 and 3,104.22

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Solution

The fourth proportional to 10,499.77, 15,749.87 and 3,104.22 is: 4,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,499.77 : 15,749.87 = 3,104.22 : x
  2. Step 2: Convert to fraction form
    10,499.77/15,749.87 = 3,104.22/x
  3. Step 3: Cross multiply
    10,499.77x = 15,749.87 × 3,104.22
  4. Step 4: Simplify right side
    10,499.77x = 48,891,104.99
  5. Step 5: Solve for x
    x = 48,891,104.99/10,499.77
  6. Step 6: Final answer
    x = 4,656.40

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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.