Home / 11,360.12-17,035.52-6,689.45

Finding the Fourth Proportional to 11,360.12, 17,035.52 and 6,689.45

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Solution

The fourth proportional to 11,360.12, 17,035.52 and 6,689.45 is: 10,031.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.12 : 17,035.52 = 6,689.45 : x
  2. Step 2: Convert to fraction form
    11,360.12/17,035.52 = 6,689.45/x
  3. Step 3: Cross multiply
    11,360.12x = 17,035.52 × 6,689.45
  4. Step 4: Simplify right side
    11,360.12x = 113,958,268.41
  5. Step 5: Solve for x
    x = 113,958,268.41/11,360.12
  6. Step 6: Final answer
    x = 10,031.44

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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.