Home / 9,048.72-12,486.38-6,218.58

Finding the Fourth Proportional to 9,048.72, 12,486.38 and 6,218.58

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Solution

The fourth proportional to 9,048.72, 12,486.38 and 6,218.58 is: 8,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,048.72 : 12,486.38 = 6,218.58 : x
  2. Step 2: Convert to fraction form
    9,048.72/12,486.38 = 6,218.58/x
  3. Step 3: Cross multiply
    9,048.72x = 12,486.38 × 6,218.58
  4. Step 4: Simplify right side
    9,048.72x = 77,647,552.94
  5. Step 5: Solve for x
    x = 77,647,552.94/9,048.72
  6. Step 6: Final answer
    x = 8,581.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.