Home / 11,456.08-17,262.16-9,421.66

Finding the Fourth Proportional to 11,456.08, 17,262.16 and 9,421.66

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Solution

The fourth proportional to 11,456.08, 17,262.16 and 9,421.66 is: 14,196.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,456.08 : 17,262.16 = 9,421.66 : x
  2. Step 2: Convert to fraction form
    11,456.08/17,262.16 = 9,421.66/x
  3. Step 3: Cross multiply
    11,456.08x = 17,262.16 × 9,421.66
  4. Step 4: Simplify right side
    11,456.08x = 162,638,202.39
  5. Step 5: Solve for x
    x = 162,638,202.39/11,456.08
  6. Step 6: Final answer
    x = 14,196.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.