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Finding the Fourth Proportional to 9,886.36, 14,813.13 and 6,958.52

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Solution

The fourth proportional to 9,886.36, 14,813.13 and 6,958.52 is: 10,426.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,886.36 : 14,813.13 = 6,958.52 : x
  2. Step 2: Convert to fraction form
    9,886.36/14,813.13 = 6,958.52/x
  3. Step 3: Cross multiply
    9,886.36x = 14,813.13 × 6,958.52
  4. Step 4: Simplify right side
    9,886.36x = 103,077,461.37
  5. Step 5: Solve for x
    x = 103,077,461.37/9,886.36
  6. Step 6: Final answer
    x = 10,426.23

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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.