Home / 8,150.35-11,248.16-5,165.10

Finding the Fourth Proportional to 8,150.35, 11,248.16 and 5,165.10

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Solution

The fourth proportional to 8,150.35, 11,248.16 and 5,165.10 is: 7,128.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.35 : 11,248.16 = 5,165.10 : x
  2. Step 2: Convert to fraction form
    8,150.35/11,248.16 = 5,165.10/x
  3. Step 3: Cross multiply
    8,150.35x = 11,248.16 × 5,165.10
  4. Step 4: Simplify right side
    8,150.35x = 58,097,871.22
  5. Step 5: Solve for x
    x = 58,097,871.22/8,150.35
  6. Step 6: Final answer
    x = 7,128.27

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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.