Home / 8,701.96-13,052.78-3,507.72

Finding the Fourth Proportional to 8,701.96, 13,052.78 and 3,507.72

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Solution

The fourth proportional to 8,701.96, 13,052.78 and 3,507.72 is: 5,261.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.96 : 13,052.78 = 3,507.72 : x
  2. Step 2: Convert to fraction form
    8,701.96/13,052.78 = 3,507.72/x
  3. Step 3: Cross multiply
    8,701.96x = 13,052.78 × 3,507.72
  4. Step 4: Simplify right side
    8,701.96x = 45,785,497.46
  5. Step 5: Solve for x
    x = 45,785,497.46/8,701.96
  6. Step 6: Final answer
    x = 5,261.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.