Home / 8,829.36-12,180.60-5,846.40

Finding the Fourth Proportional to 8,829.36, 12,180.60 and 5,846.40

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Solution

The fourth proportional to 8,829.36, 12,180.60 and 5,846.40 is: 8,065.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,829.36 : 12,180.60 = 5,846.40 : x
  2. Step 2: Convert to fraction form
    8,829.36/12,180.60 = 5,846.40/x
  3. Step 3: Cross multiply
    8,829.36x = 12,180.60 × 5,846.40
  4. Step 4: Simplify right side
    8,829.36x = 71,212,659.84
  5. Step 5: Solve for x
    x = 71,212,659.84/8,829.36
  6. Step 6: Final answer
    x = 8,065.44

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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.