Home / 11,645.90-16,070.54-6,610.22

Finding the Fourth Proportional to 11,645.90, 16,070.54 and 6,610.22

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Solution

The fourth proportional to 11,645.90, 16,070.54 and 6,610.22 is: 9,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.90 : 16,070.54 = 6,610.22 : x
  2. Step 2: Convert to fraction form
    11,645.90/16,070.54 = 6,610.22/x
  3. Step 3: Cross multiply
    11,645.90x = 16,070.54 × 6,610.22
  4. Step 4: Simplify right side
    11,645.90x = 106,229,812.04
  5. Step 5: Solve for x
    x = 106,229,812.04/11,645.90
  6. Step 6: Final answer
    x = 9,121.65

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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.