Home / 11,711.09-17,566.67-4,785.59

Finding the Fourth Proportional to 11,711.09, 17,566.67 and 4,785.59

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Solution

The fourth proportional to 11,711.09, 17,566.67 and 4,785.59 is: 7,178.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.09 : 17,566.67 = 4,785.59 : x
  2. Step 2: Convert to fraction form
    11,711.09/17,566.67 = 4,785.59/x
  3. Step 3: Cross multiply
    11,711.09x = 17,566.67 × 4,785.59
  4. Step 4: Simplify right side
    11,711.09x = 84,066,856.36
  5. Step 5: Solve for x
    x = 84,066,856.36/11,711.09
  6. Step 6: Final answer
    x = 7,178.40

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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.