Home / 12,836.74-17,709.66-7,529.62

Finding the Fourth Proportional to 12,836.74, 17,709.66 and 7,529.62

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Solution

The fourth proportional to 12,836.74, 17,709.66 and 7,529.62 is: 10,387.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836.74 : 17,709.66 = 7,529.62 : x
  2. Step 2: Convert to fraction form
    12,836.74/17,709.66 = 7,529.62/x
  3. Step 3: Cross multiply
    12,836.74x = 17,709.66 × 7,529.62
  4. Step 4: Simplify right side
    12,836.74x = 133,347,010.13
  5. Step 5: Solve for x
    x = 133,347,010.13/12,836.74
  6. Step 6: Final answer
    x = 10,387.92

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1.5x scale

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.