Home / 11,258.76-16,890.18-3,465.75

Finding the Fourth Proportional to 11,258.76, 16,890.18 and 3,465.75

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Solution

The fourth proportional to 11,258.76, 16,890.18 and 3,465.75 is: 5,199.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.76 : 16,890.18 = 3,465.75 : x
  2. Step 2: Convert to fraction form
    11,258.76/16,890.18 = 3,465.75/x
  3. Step 3: Cross multiply
    11,258.76x = 16,890.18 × 3,465.75
  4. Step 4: Simplify right side
    11,258.76x = 58,537,141.34
  5. Step 5: Solve for x
    x = 58,537,141.34/11,258.76
  6. Step 6: Final answer
    x = 5,199.25

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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.