Home / 11,748.08-16,212-6,712.28

Finding the Fourth Proportional to 11,748.08, 16,212 and 6,712.28

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Solution

The fourth proportional to 11,748.08, 16,212 and 6,712.28 is: 9,262.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.08 : 16,212 = 6,712.28 : x
  2. Step 2: Convert to fraction form
    11,748.08/16,212 = 6,712.28/x
  3. Step 3: Cross multiply
    11,748.08x = 16,212 × 6,712.28
  4. Step 4: Simplify right side
    11,748.08x = 108,819,483.36
  5. Step 5: Solve for x
    x = 108,819,483.36/11,748.08
  6. Step 6: Final answer
    x = 9,262.75

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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.