Home / 11,929.14-16,467.90-7,459.48

Finding the Fourth Proportional to 11,929.14, 16,467.90 and 7,459.48

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Solution

The fourth proportional to 11,929.14, 16,467.90 and 7,459.48 is: 10,297.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.14 : 16,467.90 = 7,459.48 : x
  2. Step 2: Convert to fraction form
    11,929.14/16,467.90 = 7,459.48/x
  3. Step 3: Cross multiply
    11,929.14x = 16,467.90 × 7,459.48
  4. Step 4: Simplify right side
    11,929.14x = 122,841,970.69
  5. Step 5: Solve for x
    x = 122,841,970.69/11,929.14
  6. Step 6: Final answer
    x = 10,297.64

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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.