Home / 11,851.08-16,351.95-7,069.74

Finding the Fourth Proportional to 11,851.08, 16,351.95 and 7,069.74

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Solution

The fourth proportional to 11,851.08, 16,351.95 and 7,069.74 is: 9,754.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.08 : 16,351.95 = 7,069.74 : x
  2. Step 2: Convert to fraction form
    11,851.08/16,351.95 = 7,069.74/x
  3. Step 3: Cross multiply
    11,851.08x = 16,351.95 × 7,069.74
  4. Step 4: Simplify right side
    11,851.08x = 115,604,034.99
  5. Step 5: Solve for x
    x = 115,604,034.99/11,851.08
  6. Step 6: Final answer
    x = 9,754.73

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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.