Home / 10,810.20-16,166.70-9,060.60

Finding the Fourth Proportional to 10,810.20, 16,166.70 and 9,060.60

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Solution

The fourth proportional to 10,810.20, 16,166.70 and 9,060.60 is: 13,550.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,810.20 : 16,166.70 = 9,060.60 : x
  2. Step 2: Convert to fraction form
    10,810.20/16,166.70 = 9,060.60/x
  3. Step 3: Cross multiply
    10,810.20x = 16,166.70 × 9,060.60
  4. Step 4: Simplify right side
    10,810.20x = 146,480,002.02
  5. Step 5: Solve for x
    x = 146,480,002.02/10,810.20
  6. Step 6: Final answer
    x = 13,550.17

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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.