Home / 9,199.35-12,695.11-5,007.60

Finding the Fourth Proportional to 9,199.35, 12,695.11 and 5,007.60

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Solution

The fourth proportional to 9,199.35, 12,695.11 and 5,007.60 is: 6,910.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199.35 : 12,695.11 = 5,007.60 : x
  2. Step 2: Convert to fraction form
    9,199.35/12,695.11 = 5,007.60/x
  3. Step 3: Cross multiply
    9,199.35x = 12,695.11 × 5,007.60
  4. Step 4: Simplify right side
    9,199.35x = 63,572,032.84
  5. Step 5: Solve for x
    x = 63,572,032.84/9,199.35
  6. Step 6: Final answer
    x = 6,910.49

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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.