Home / 9,815.36-13,543.97-6,635.58

Finding the Fourth Proportional to 9,815.36, 13,543.97 and 6,635.58

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Solution

The fourth proportional to 9,815.36, 13,543.97 and 6,635.58 is: 9,156.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815.36 : 13,543.97 = 6,635.58 : x
  2. Step 2: Convert to fraction form
    9,815.36/13,543.97 = 6,635.58/x
  3. Step 3: Cross multiply
    9,815.36x = 13,543.97 × 6,635.58
  4. Step 4: Simplify right side
    9,815.36x = 89,872,096.45
  5. Step 5: Solve for x
    x = 89,872,096.45/9,815.36
  6. Step 6: Final answer
    x = 9,156.27

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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.