Home / 10,851.45-14,975.74-6,071.85

Finding the Fourth Proportional to 10,851.45, 14,975.74 and 6,071.85

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Solution

The fourth proportional to 10,851.45, 14,975.74 and 6,071.85 is: 8,379.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.45 : 14,975.74 = 6,071.85 : x
  2. Step 2: Convert to fraction form
    10,851.45/14,975.74 = 6,071.85/x
  3. Step 3: Cross multiply
    10,851.45x = 14,975.74 × 6,071.85
  4. Step 4: Simplify right side
    10,851.45x = 90,930,429.47
  5. Step 5: Solve for x
    x = 90,930,429.47/10,851.45
  6. Step 6: Final answer
    x = 8,379.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.