Home / 9,050.63-12,489.85-5,513.84

Finding the Fourth Proportional to 9,050.63, 12,489.85 and 5,513.84

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Solution

The fourth proportional to 9,050.63, 12,489.85 and 5,513.84 is: 7,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,050.63 : 12,489.85 = 5,513.84 : x
  2. Step 2: Convert to fraction form
    9,050.63/12,489.85 = 5,513.84/x
  3. Step 3: Cross multiply
    9,050.63x = 12,489.85 × 5,513.84
  4. Step 4: Simplify right side
    9,050.63x = 68,867,006.95
  5. Step 5: Solve for x
    x = 68,867,006.95/9,050.63
  6. Step 6: Final answer
    x = 7,609.08

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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.