Home / 10,079.65-15,110.79-4,453.05

Finding the Fourth Proportional to 10,079.65, 15,110.79 and 4,453.05

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Solution

The fourth proportional to 10,079.65, 15,110.79 and 4,453.05 is: 6,675.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.65 : 15,110.79 = 4,453.05 : x
  2. Step 2: Convert to fraction form
    10,079.65/15,110.79 = 4,453.05/x
  3. Step 3: Cross multiply
    10,079.65x = 15,110.79 × 4,453.05
  4. Step 4: Simplify right side
    10,079.65x = 67,289,103.41
  5. Step 5: Solve for x
    x = 67,289,103.41/10,079.65
  6. Step 6: Final answer
    x = 6,675.74

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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.