Home / 11,814.46-17,715.53-5,572.79

Finding the Fourth Proportional to 11,814.46, 17,715.53 and 5,572.79

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Solution

The fourth proportional to 11,814.46, 17,715.53 and 5,572.79 is: 8,356.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,814.46 : 17,715.53 = 5,572.79 : x
  2. Step 2: Convert to fraction form
    11,814.46/17,715.53 = 5,572.79/x
  3. Step 3: Cross multiply
    11,814.46x = 17,715.53 × 5,572.79
  4. Step 4: Simplify right side
    11,814.46x = 98,724,928.43
  5. Step 5: Solve for x
    x = 98,724,928.43/11,814.46
  6. Step 6: Final answer
    x = 8,356.28

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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.