Home / 11,634.40-16,065.16-10,790.18

Finding the Fourth Proportional to 11,634.40, 16,065.16 and 10,790.18

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Solution

The fourth proportional to 11,634.40, 16,065.16 and 10,790.18 is: 14,899.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,634.40 : 16,065.16 = 10,790.18 : x
  2. Step 2: Convert to fraction form
    11,634.40/16,065.16 = 10,790.18/x
  3. Step 3: Cross multiply
    11,634.40x = 16,065.16 × 10,790.18
  4. Step 4: Simplify right side
    11,634.40x = 173,345,968.13
  5. Step 5: Solve for x
    x = 173,345,968.13/11,634.40
  6. Step 6: Final answer
    x = 14,899.44

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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.