Home / 11,651.48-17,477.14-6,972.80

Finding the Fourth Proportional to 11,651.48, 17,477.14 and 6,972.80

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Solution

The fourth proportional to 11,651.48, 17,477.14 and 6,972.80 is: 10,459.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,651.48 : 17,477.14 = 6,972.80 : x
  2. Step 2: Convert to fraction form
    11,651.48/17,477.14 = 6,972.80/x
  3. Step 3: Cross multiply
    11,651.48x = 17,477.14 × 6,972.80
  4. Step 4: Simplify right side
    11,651.48x = 121,864,601.79
  5. Step 5: Solve for x
    x = 121,864,601.79/11,651.48
  6. Step 6: Final answer
    x = 10,459.15

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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.