Home / 11,265.94-15,547.31-6,161.70

Finding the Fourth Proportional to 11,265.94, 15,547.31 and 6,161.70

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Solution

The fourth proportional to 11,265.94, 15,547.31 and 6,161.70 is: 8,503.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,265.94 : 15,547.31 = 6,161.70 : x
  2. Step 2: Convert to fraction form
    11,265.94/15,547.31 = 6,161.70/x
  3. Step 3: Cross multiply
    11,265.94x = 15,547.31 × 6,161.70
  4. Step 4: Simplify right side
    11,265.94x = 95,797,860.03
  5. Step 5: Solve for x
    x = 95,797,860.03/11,265.94
  6. Step 6: Final answer
    x = 8,503.32

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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.