Home / 8,922.90-12,313.85-4,944.45

Finding the Fourth Proportional to 8,922.90, 12,313.85 and 4,944.45

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Solution

The fourth proportional to 8,922.90, 12,313.85 and 4,944.45 is: 6,823.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.90 : 12,313.85 = 4,944.45 : x
  2. Step 2: Convert to fraction form
    8,922.90/12,313.85 = 4,944.45/x
  3. Step 3: Cross multiply
    8,922.90x = 12,313.85 × 4,944.45
  4. Step 4: Simplify right side
    8,922.90x = 60,885,190.91
  5. Step 5: Solve for x
    x = 60,885,190.91/8,922.90
  6. Step 6: Final answer
    x = 6,823.48

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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.