Home / 11,371.40-15,693.68-6,335.64

Finding the Fourth Proportional to 11,371.40, 15,693.68 and 6,335.64

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Solution

The fourth proportional to 11,371.40, 15,693.68 and 6,335.64 is: 8,743.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,371.40 : 15,693.68 = 6,335.64 : x
  2. Step 2: Convert to fraction form
    11,371.40/15,693.68 = 6,335.64/x
  3. Step 3: Cross multiply
    11,371.40x = 15,693.68 × 6,335.64
  4. Step 4: Simplify right side
    11,371.40x = 99,429,506.76
  5. Step 5: Solve for x
    x = 99,429,506.76/11,371.40
  6. Step 6: Final answer
    x = 8,743.82

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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.