Home / 8,455.16-11,668.20-5,098.16

Finding the Fourth Proportional to 8,455.16, 11,668.20 and 5,098.16

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Solution

The fourth proportional to 8,455.16, 11,668.20 and 5,098.16 is: 7,035.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.16 : 11,668.20 = 5,098.16 : x
  2. Step 2: Convert to fraction form
    8,455.16/11,668.20 = 5,098.16/x
  3. Step 3: Cross multiply
    8,455.16x = 11,668.20 × 5,098.16
  4. Step 4: Simplify right side
    8,455.16x = 59,486,350.51
  5. Step 5: Solve for x
    x = 59,486,350.51/8,455.16
  6. Step 6: Final answer
    x = 7,035.51

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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.