Home / 12,299.06-16,974.54-7,521.74

Finding the Fourth Proportional to 12,299.06, 16,974.54 and 7,521.74

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Solution

The fourth proportional to 12,299.06, 16,974.54 and 7,521.74 is: 10,381.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.06 : 16,974.54 = 7,521.74 : x
  2. Step 2: Convert to fraction form
    12,299.06/16,974.54 = 7,521.74/x
  3. Step 3: Cross multiply
    12,299.06x = 16,974.54 × 7,521.74
  4. Step 4: Simplify right side
    12,299.06x = 127,678,076.50
  5. Step 5: Solve for x
    x = 127,678,076.50/12,299.06
  6. Step 6: Final answer
    x = 10,381.12

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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.