Home / 11,106.65-16,660.85-3,711.13

Finding the Fourth Proportional to 11,106.65, 16,660.85 and 3,711.13

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Solution

The fourth proportional to 11,106.65, 16,660.85 and 3,711.13 is: 5,566.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.65 : 16,660.85 = 3,711.13 : x
  2. Step 2: Convert to fraction form
    11,106.65/16,660.85 = 3,711.13/x
  3. Step 3: Cross multiply
    11,106.65x = 16,660.85 × 3,711.13
  4. Step 4: Simplify right side
    11,106.65x = 61,830,561.70
  5. Step 5: Solve for x
    x = 61,830,561.70/11,106.65
  6. Step 6: Final answer
    x = 5,566.99

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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.