Home / 9,192.32-12,685.44-5,000.64

Finding the Fourth Proportional to 9,192.32, 12,685.44 and 5,000.64

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Solution

The fourth proportional to 9,192.32, 12,685.44 and 5,000.64 is: 6,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.32 : 12,685.44 = 5,000.64 : x
  2. Step 2: Convert to fraction form
    9,192.32/12,685.44 = 5,000.64/x
  3. Step 3: Cross multiply
    9,192.32x = 12,685.44 × 5,000.64
  4. Step 4: Simplify right side
    9,192.32x = 63,435,318.68
  5. Step 5: Solve for x
    x = 63,435,318.68/9,192.32
  6. Step 6: Final answer
    x = 6,900.90

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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.