Home / 11,260.18-16,870.95-7,967.86

Finding the Fourth Proportional to 11,260.18, 16,870.95 and 7,967.86

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Solution

The fourth proportional to 11,260.18, 16,870.95 and 7,967.86 is: 11,938.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,260.18 : 16,870.95 = 7,967.86 : x
  2. Step 2: Convert to fraction form
    11,260.18/16,870.95 = 7,967.86/x
  3. Step 3: Cross multiply
    11,260.18x = 16,870.95 × 7,967.86
  4. Step 4: Simplify right side
    11,260.18x = 134,425,367.67
  5. Step 5: Solve for x
    x = 134,425,367.67/11,260.18
  6. Step 6: Final answer
    x = 11,938.12

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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.