Home / 9,927.88-13,700.49-5,451.92

Finding the Fourth Proportional to 9,927.88, 13,700.49 and 5,451.92

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Solution

The fourth proportional to 9,927.88, 13,700.49 and 5,451.92 is: 7,523.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.88 : 13,700.49 = 5,451.92 : x
  2. Step 2: Convert to fraction form
    9,927.88/13,700.49 = 5,451.92/x
  3. Step 3: Cross multiply
    9,927.88x = 13,700.49 × 5,451.92
  4. Step 4: Simplify right side
    9,927.88x = 74,693,975.44
  5. Step 5: Solve for x
    x = 74,693,975.44/9,927.88
  6. Step 6: Final answer
    x = 7,523.66

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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.