Home / 8,147.16-11,238.48-5,001.12

Finding the Fourth Proportional to 8,147.16, 11,238.48 and 5,001.12

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Solution

The fourth proportional to 8,147.16, 11,238.48 and 5,001.12 is: 6,898.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.16 : 11,238.48 = 5,001.12 : x
  2. Step 2: Convert to fraction form
    8,147.16/11,238.48 = 5,001.12/x
  3. Step 3: Cross multiply
    8,147.16x = 11,238.48 × 5,001.12
  4. Step 4: Simplify right side
    8,147.16x = 56,204,987.10
  5. Step 5: Solve for x
    x = 56,204,987.10/8,147.16
  6. Step 6: Final answer
    x = 6,898.72

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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.