Home / 8,177.16-11,281.14-5,694.60

Finding the Fourth Proportional to 8,177.16, 11,281.14 and 5,694.60

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Solution

The fourth proportional to 8,177.16, 11,281.14 and 5,694.60 is: 7,856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.16 : 11,281.14 = 5,694.60 : x
  2. Step 2: Convert to fraction form
    8,177.16/11,281.14 = 5,694.60/x
  3. Step 3: Cross multiply
    8,177.16x = 11,281.14 × 5,694.60
  4. Step 4: Simplify right side
    8,177.16x = 64,241,579.84
  5. Step 5: Solve for x
    x = 64,241,579.84/8,177.16
  6. Step 6: Final answer
    x = 7,856.22

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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.