Home / 9,927.26-13,700.12-5,450.98

Finding the Fourth Proportional to 9,927.26, 13,700.12 and 5,450.98

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Solution

The fourth proportional to 9,927.26, 13,700.12 and 5,450.98 is: 7,522.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.26 : 13,700.12 = 5,450.98 : x
  2. Step 2: Convert to fraction form
    9,927.26/13,700.12 = 5,450.98/x
  3. Step 3: Cross multiply
    9,927.26x = 13,700.12 × 5,450.98
  4. Step 4: Simplify right side
    9,927.26x = 74,679,080.12
  5. Step 5: Solve for x
    x = 74,679,080.12/9,927.26
  6. Step 6: Final answer
    x = 7,522.63

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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.