Home / 11,599.34-16,009.37-6,820.86

Finding the Fourth Proportional to 11,599.34, 16,009.37 and 6,820.86

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Solution

The fourth proportional to 11,599.34, 16,009.37 and 6,820.86 is: 9,414.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,599.34 : 16,009.37 = 6,820.86 : x
  2. Step 2: Convert to fraction form
    11,599.34/16,009.37 = 6,820.86/x
  3. Step 3: Cross multiply
    11,599.34x = 16,009.37 × 6,820.86
  4. Step 4: Simplify right side
    11,599.34x = 109,197,652.10
  5. Step 5: Solve for x
    x = 109,197,652.10/11,599.34
  6. Step 6: Final answer
    x = 9,414.13

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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.