Home / 12,110.46-18,146.50-9,343.90

Finding the Fourth Proportional to 12,110.46, 18,146.50 and 9,343.90

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Solution

The fourth proportional to 12,110.46, 18,146.50 and 9,343.90 is: 14,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.46 : 18,146.50 = 9,343.90 : x
  2. Step 2: Convert to fraction form
    12,110.46/18,146.50 = 9,343.90/x
  3. Step 3: Cross multiply
    12,110.46x = 18,146.50 × 9,343.90
  4. Step 4: Simplify right side
    12,110.46x = 169,559,080.67
  5. Step 5: Solve for x
    x = 169,559,080.67/12,110.46
  6. Step 6: Final answer
    x = 14,001.05

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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.