Home / 9,983.14-13,777.16-5,735.41

Finding the Fourth Proportional to 9,983.14, 13,777.16 and 5,735.41

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Solution

The fourth proportional to 9,983.14, 13,777.16 and 5,735.41 is: 7,915.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983.14 : 13,777.16 = 5,735.41 : x
  2. Step 2: Convert to fraction form
    9,983.14/13,777.16 = 5,735.41/x
  3. Step 3: Cross multiply
    9,983.14x = 13,777.16 × 5,735.41
  4. Step 4: Simplify right side
    9,983.14x = 79,017,598.12
  5. Step 5: Solve for x
    x = 79,017,598.12/9,983.14
  6. Step 6: Final answer
    x = 7,915.11

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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.