Home / 9,927.38-13,699.79-5,451.14

Finding the Fourth Proportional to 9,927.38, 13,699.79 and 5,451.14

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Solution

The fourth proportional to 9,927.38, 13,699.79 and 5,451.14 is: 7,522.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.38 : 13,699.79 = 5,451.14 : x
  2. Step 2: Convert to fraction form
    9,927.38/13,699.79 = 5,451.14/x
  3. Step 3: Cross multiply
    9,927.38x = 13,699.79 × 5,451.14
  4. Step 4: Simplify right side
    9,927.38x = 74,679,391.13
  5. Step 5: Solve for x
    x = 74,679,391.13/9,927.38
  6. Step 6: Final answer
    x = 7,522.57

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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.