Home / 9,249.08-13,875.48-3,405.56

Finding the Fourth Proportional to 9,249.08, 13,875.48 and 3,405.56

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Solution

The fourth proportional to 9,249.08, 13,875.48 and 3,405.56 is: 5,109.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,249.08 : 13,875.48 = 3,405.56 : x
  2. Step 2: Convert to fraction form
    9,249.08/13,875.48 = 3,405.56/x
  3. Step 3: Cross multiply
    9,249.08x = 13,875.48 × 3,405.56
  4. Step 4: Simplify right side
    9,249.08x = 47,253,779.67
  5. Step 5: Solve for x
    x = 47,253,779.67/9,249.08
  6. Step 6: Final answer
    x = 5,109.02

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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.