Home / 9,836.21-13,574.30-5,360.09

Finding the Fourth Proportional to 9,836.21, 13,574.30 and 5,360.09

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Solution

The fourth proportional to 9,836.21, 13,574.30 and 5,360.09 is: 7,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,836.21 : 13,574.30 = 5,360.09 : x
  2. Step 2: Convert to fraction form
    9,836.21/13,574.30 = 5,360.09/x
  3. Step 3: Cross multiply
    9,836.21x = 13,574.30 × 5,360.09
  4. Step 4: Simplify right side
    9,836.21x = 72,759,375.02
  5. Step 5: Solve for x
    x = 72,759,375.02/9,836.21
  6. Step 6: Final answer
    x = 7,397.10

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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.