Home / 8,148.45-12,194.99-5,030.43

Finding the Fourth Proportional to 8,148.45, 12,194.99 and 5,030.43

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Solution

The fourth proportional to 8,148.45, 12,194.99 and 5,030.43 is: 7,528.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.45 : 12,194.99 = 5,030.43 : x
  2. Step 2: Convert to fraction form
    8,148.45/12,194.99 = 5,030.43/x
  3. Step 3: Cross multiply
    8,148.45x = 12,194.99 × 5,030.43
  4. Step 4: Simplify right side
    8,148.45x = 61,346,018.39
  5. Step 5: Solve for x
    x = 61,346,018.39/8,148.45
  6. Step 6: Final answer
    x = 7,528.55

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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.