Home / 10,039.45-15,059.12-2,543.08

Finding the Fourth Proportional to 10,039.45, 15,059.12 and 2,543.08

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Solution

The fourth proportional to 10,039.45, 15,059.12 and 2,543.08 is: 3,814.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,039.45 : 15,059.12 = 2,543.08 : x
  2. Step 2: Convert to fraction form
    10,039.45/15,059.12 = 2,543.08/x
  3. Step 3: Cross multiply
    10,039.45x = 15,059.12 × 2,543.08
  4. Step 4: Simplify right side
    10,039.45x = 38,296,546.89
  5. Step 5: Solve for x
    x = 38,296,546.89/10,039.45
  6. Step 6: Final answer
    x = 3,814.61

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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.