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Finding the Fourth Proportional to 10,866.68, 14,995.94 and 6,150.92

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Solution

The fourth proportional to 10,866.68, 14,995.94 and 6,150.92 is: 8,488.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866.68 : 14,995.94 = 6,150.92 : x
  2. Step 2: Convert to fraction form
    10,866.68/14,995.94 = 6,150.92/x
  3. Step 3: Cross multiply
    10,866.68x = 14,995.94 × 6,150.92
  4. Step 4: Simplify right side
    10,866.68x = 92,238,827.26
  5. Step 5: Solve for x
    x = 92,238,827.26/10,866.68
  6. Step 6: Final answer
    x = 8,488.23

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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.