Home / 8,117.36-11,200.20-4,760.36

Finding the Fourth Proportional to 8,117.36, 11,200.20 and 4,760.36

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Solution

The fourth proportional to 8,117.36, 11,200.20 and 4,760.36 is: 6,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.36 : 11,200.20 = 4,760.36 : x
  2. Step 2: Convert to fraction form
    8,117.36/11,200.20 = 4,760.36/x
  3. Step 3: Cross multiply
    8,117.36x = 11,200.20 × 4,760.36
  4. Step 4: Simplify right side
    8,117.36x = 53,316,984.07
  5. Step 5: Solve for x
    x = 53,316,984.07/8,117.36
  6. Step 6: Final answer
    x = 6,568.27

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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.