Home / 12,010.84-18,013.26-6,162.76

Finding the Fourth Proportional to 12,010.84, 18,013.26 and 6,162.76

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Solution

The fourth proportional to 12,010.84, 18,013.26 and 6,162.76 is: 9,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010.84 : 18,013.26 = 6,162.76 : x
  2. Step 2: Convert to fraction form
    12,010.84/18,013.26 = 6,162.76/x
  3. Step 3: Cross multiply
    12,010.84x = 18,013.26 × 6,162.76
  4. Step 4: Simplify right side
    12,010.84x = 111,011,398.20
  5. Step 5: Solve for x
    x = 111,011,398.20/12,010.84
  6. Step 6: Final answer
    x = 9,242.60

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1.5x scale

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.