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Finding the Fourth Proportional to 9,263, 12,783.06 and 5,071.16

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Solution

The fourth proportional to 9,263, 12,783.06 and 5,071.16 is: 6,998.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,263 : 12,783.06 = 5,071.16 : x
  2. Step 2: Convert to fraction form
    9,263/12,783.06 = 5,071.16/x
  3. Step 3: Cross multiply
    9,263x = 12,783.06 × 5,071.16
  4. Step 4: Simplify right side
    9,263x = 64,824,942.55
  5. Step 5: Solve for x
    x = 64,824,942.55/9,263
  6. Step 6: Final answer
    x = 6,998.27

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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.