Home / 10,499.13-15,751.26-3,103.56

Finding the Fourth Proportional to 10,499.13, 15,751.26 and 3,103.56

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Solution

The fourth proportional to 10,499.13, 15,751.26 and 3,103.56 is: 4,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,499.13 : 15,751.26 = 3,103.56 : x
  2. Step 2: Convert to fraction form
    10,499.13/15,751.26 = 3,103.56/x
  3. Step 3: Cross multiply
    10,499.13x = 15,751.26 × 3,103.56
  4. Step 4: Simplify right side
    10,499.13x = 48,884,980.49
  5. Step 5: Solve for x
    x = 48,884,980.49/10,499.13
  6. Step 6: Final answer
    x = 4,656.10

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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.