Home / 11,711.49-17,574.15-4,321.11

Finding the Fourth Proportional to 11,711.49, 17,574.15 and 4,321.11

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Solution

The fourth proportional to 11,711.49, 17,574.15 and 4,321.11 is: 6,484.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.49 : 17,574.15 = 4,321.11 : x
  2. Step 2: Convert to fraction form
    11,711.49/17,574.15 = 4,321.11/x
  3. Step 3: Cross multiply
    11,711.49x = 17,574.15 × 4,321.11
  4. Step 4: Simplify right side
    11,711.49x = 75,939,835.31
  5. Step 5: Solve for x
    x = 75,939,835.31/11,711.49
  6. Step 6: Final answer
    x = 6,484.22

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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.