Home / 11,669.10-17,459.91-6,478.62

Finding the Fourth Proportional to 11,669.10, 17,459.91 and 6,478.62

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Solution

The fourth proportional to 11,669.10, 17,459.91 and 6,478.62 is: 9,693.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,669.10 : 17,459.91 = 6,478.62 : x
  2. Step 2: Convert to fraction form
    11,669.10/17,459.91 = 6,478.62/x
  3. Step 3: Cross multiply
    11,669.10x = 17,459.91 × 6,478.62
  4. Step 4: Simplify right side
    11,669.10x = 113,116,122.12
  5. Step 5: Solve for x
    x = 113,116,122.12/11,669.10
  6. Step 6: Final answer
    x = 9,693.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.