Home / 12,834.41-19,262.55-7,561.70

Finding the Fourth Proportional to 12,834.41, 19,262.55 and 7,561.70

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Solution

The fourth proportional to 12,834.41, 19,262.55 and 7,561.70 is: 11,348.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,834.41 : 19,262.55 = 7,561.70 : x
  2. Step 2: Convert to fraction form
    12,834.41/19,262.55 = 7,561.70/x
  3. Step 3: Cross multiply
    12,834.41x = 19,262.55 × 7,561.70
  4. Step 4: Simplify right side
    12,834.41x = 145,657,624.34
  5. Step 5: Solve for x
    x = 145,657,624.34/12,834.41
  6. Step 6: Final answer
    x = 11,348.99

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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.