Home / 9,687.73-13,369.58-5,710.12

Finding the Fourth Proportional to 9,687.73, 13,369.58 and 5,710.12

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Solution

The fourth proportional to 9,687.73, 13,369.58 and 5,710.12 is: 7,880.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,687.73 : 13,369.58 = 5,710.12 : x
  2. Step 2: Convert to fraction form
    9,687.73/13,369.58 = 5,710.12/x
  3. Step 3: Cross multiply
    9,687.73x = 13,369.58 × 5,710.12
  4. Step 4: Simplify right side
    9,687.73x = 76,341,883.12
  5. Step 5: Solve for x
    x = 76,341,883.12/9,687.73
  6. Step 6: Final answer
    x = 7,880.27

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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.