Home / 8,926.48-13,389.65-2,686.47

Finding the Fourth Proportional to 8,926.48, 13,389.65 and 2,686.47

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Solution

The fourth proportional to 8,926.48, 13,389.65 and 2,686.47 is: 4,029.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.48 : 13,389.65 = 2,686.47 : x
  2. Step 2: Convert to fraction form
    8,926.48/13,389.65 = 2,686.47/x
  3. Step 3: Cross multiply
    8,926.48x = 13,389.65 × 2,686.47
  4. Step 4: Simplify right side
    8,926.48x = 35,970,854.58
  5. Step 5: Solve for x
    x = 35,970,854.58/8,926.48
  6. Step 6: Final answer
    x = 4,029.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.