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Finding the Fourth Proportional to 9,860.16, 14,776.14 and 6,932.40

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Solution

The fourth proportional to 9,860.16, 14,776.14 and 6,932.40 is: 10,388.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.16 : 14,776.14 = 6,932.40 : x
  2. Step 2: Convert to fraction form
    9,860.16/14,776.14 = 6,932.40/x
  3. Step 3: Cross multiply
    9,860.16x = 14,776.14 × 6,932.40
  4. Step 4: Simplify right side
    9,860.16x = 102,434,112.94
  5. Step 5: Solve for x
    x = 102,434,112.94/9,860.16
  6. Step 6: Final answer
    x = 10,388.69

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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.