Home / 9,836.64-13,574.70-5,360.40

Finding the Fourth Proportional to 9,836.64, 13,574.70 and 5,360.40

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Solution

The fourth proportional to 9,836.64, 13,574.70 and 5,360.40 is: 7,397.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,836.64 : 13,574.70 = 5,360.40 : x
  2. Step 2: Convert to fraction form
    9,836.64/13,574.70 = 5,360.40/x
  3. Step 3: Cross multiply
    9,836.64x = 13,574.70 × 5,360.40
  4. Step 4: Simplify right side
    9,836.64x = 72,765,821.88
  5. Step 5: Solve for x
    x = 72,765,821.88/9,836.64
  6. Step 6: Final answer
    x = 7,397.43

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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.