Home / 11,125.60-16,688.46-3,730.64

Finding the Fourth Proportional to 11,125.60, 16,688.46 and 3,730.64

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Solution

The fourth proportional to 11,125.60, 16,688.46 and 3,730.64 is: 5,595.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.60 : 16,688.46 = 3,730.64 : x
  2. Step 2: Convert to fraction form
    11,125.60/16,688.46 = 3,730.64/x
  3. Step 3: Cross multiply
    11,125.60x = 16,688.46 × 3,730.64
  4. Step 4: Simplify right side
    11,125.60x = 62,258,566.96
  5. Step 5: Solve for x
    x = 62,258,566.96/11,125.60
  6. Step 6: Final answer
    x = 5,595.98

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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.