Home / 8,760.36-12,090.27-4,984.08

Finding the Fourth Proportional to 8,760.36, 12,090.27 and 4,984.08

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Solution

The fourth proportional to 8,760.36, 12,090.27 and 4,984.08 is: 6,878.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.36 : 12,090.27 = 4,984.08 : x
  2. Step 2: Convert to fraction form
    8,760.36/12,090.27 = 4,984.08/x
  3. Step 3: Cross multiply
    8,760.36x = 12,090.27 × 4,984.08
  4. Step 4: Simplify right side
    8,760.36x = 60,258,872.90
  5. Step 5: Solve for x
    x = 60,258,872.90/8,760.36
  6. Step 6: Final answer
    x = 6,878.58

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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.