Home / 11,730.72-16,188.46-6,425.58

Finding the Fourth Proportional to 11,730.72, 16,188.46 and 6,425.58

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Solution

The fourth proportional to 11,730.72, 16,188.46 and 6,425.58 is: 8,867.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.72 : 16,188.46 = 6,425.58 : x
  2. Step 2: Convert to fraction form
    11,730.72/16,188.46 = 6,425.58/x
  3. Step 3: Cross multiply
    11,730.72x = 16,188.46 × 6,425.58
  4. Step 4: Simplify right side
    11,730.72x = 104,020,244.81
  5. Step 5: Solve for x
    x = 104,020,244.81/11,730.72
  6. Step 6: Final answer
    x = 8,867.34

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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.