Home / 10,926.46-15,072.60-9,026.81

Finding the Fourth Proportional to 10,926.46, 15,072.60 and 9,026.81

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Solution

The fourth proportional to 10,926.46, 15,072.60 and 9,026.81 is: 12,452.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.46 : 15,072.60 = 9,026.81 : x
  2. Step 2: Convert to fraction form
    10,926.46/15,072.60 = 9,026.81/x
  3. Step 3: Cross multiply
    10,926.46x = 15,072.60 × 9,026.81
  4. Step 4: Simplify right side
    10,926.46x = 136,057,460.64
  5. Step 5: Solve for x
    x = 136,057,460.64/10,926.46
  6. Step 6: Final answer
    x = 12,452.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.