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Finding the Fourth Proportional to 9,886.08, 14,812.71 and 6,958.23

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Solution

The fourth proportional to 9,886.08, 14,812.71 and 6,958.23 is: 10,425.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,886.08 : 14,812.71 = 6,958.23 : x
  2. Step 2: Convert to fraction form
    9,886.08/14,812.71 = 6,958.23/x
  3. Step 3: Cross multiply
    9,886.08x = 14,812.71 × 6,958.23
  4. Step 4: Simplify right side
    9,886.08x = 103,070,243.10
  5. Step 5: Solve for x
    x = 103,070,243.10/9,886.08
  6. Step 6: Final answer
    x = 10,425.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.