Home / 9,192.36-12,685.60-5,000.64

Finding the Fourth Proportional to 9,192.36, 12,685.60 and 5,000.64

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Solution

The fourth proportional to 9,192.36, 12,685.60 and 5,000.64 is: 6,900.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.36 : 12,685.60 = 5,000.64 : x
  2. Step 2: Convert to fraction form
    9,192.36/12,685.60 = 5,000.64/x
  3. Step 3: Cross multiply
    9,192.36x = 12,685.60 × 5,000.64
  4. Step 4: Simplify right side
    9,192.36x = 63,436,118.78
  5. Step 5: Solve for x
    x = 63,436,118.78/9,192.36
  6. Step 6: Final answer
    x = 6,900.96

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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.