Home / 10,039.61-15,042.99-6,078.87

Finding the Fourth Proportional to 10,039.61, 15,042.99 and 6,078.87

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Solution

The fourth proportional to 10,039.61, 15,042.99 and 6,078.87 is: 9,108.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,039.61 : 15,042.99 = 6,078.87 : x
  2. Step 2: Convert to fraction form
    10,039.61/15,042.99 = 6,078.87/x
  3. Step 3: Cross multiply
    10,039.61x = 15,042.99 × 6,078.87
  4. Step 4: Simplify right side
    10,039.61x = 91,444,403.42
  5. Step 5: Solve for x
    x = 91,444,403.42/10,039.61
  6. Step 6: Final answer
    x = 9,108.36

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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.