Home / 11,929.03-16,458.73-7,457.34

Finding the Fourth Proportional to 11,929.03, 16,458.73 and 7,457.34

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Solution

The fourth proportional to 11,929.03, 16,458.73 and 7,457.34 is: 10,289.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.03 : 16,458.73 = 7,457.34 : x
  2. Step 2: Convert to fraction form
    11,929.03/16,458.73 = 7,457.34/x
  3. Step 3: Cross multiply
    11,929.03x = 16,458.73 × 7,457.34
  4. Step 4: Simplify right side
    11,929.03x = 122,738,345.58
  5. Step 5: Solve for x
    x = 122,738,345.58/11,929.03
  6. Step 6: Final answer
    x = 10,289.05

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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.