Home / 9,909.14-13,676.11-6,325.63

Finding the Fourth Proportional to 9,909.14, 13,676.11 and 6,325.63

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Solution

The fourth proportional to 9,909.14, 13,676.11 and 6,325.63 is: 8,730.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.14 : 13,676.11 = 6,325.63 : x
  2. Step 2: Convert to fraction form
    9,909.14/13,676.11 = 6,325.63/x
  3. Step 3: Cross multiply
    9,909.14x = 13,676.11 × 6,325.63
  4. Step 4: Simplify right side
    9,909.14x = 86,509,961.69
  5. Step 5: Solve for x
    x = 86,509,961.69/9,909.14
  6. Step 6: Final answer
    x = 8,730.32

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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.