Home / 11,009.64-16,521.48-5,166.60

Finding the Fourth Proportional to 11,009.64, 16,521.48 and 5,166.60

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Solution

The fourth proportional to 11,009.64, 16,521.48 and 5,166.60 is: 7,753.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.64 : 16,521.48 = 5,166.60 : x
  2. Step 2: Convert to fraction form
    11,009.64/16,521.48 = 5,166.60/x
  3. Step 3: Cross multiply
    11,009.64x = 16,521.48 × 5,166.60
  4. Step 4: Simplify right side
    11,009.64x = 85,359,878.57
  5. Step 5: Solve for x
    x = 85,359,878.57/11,009.64
  6. Step 6: Final answer
    x = 7,753.19

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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.