Home / 11,547.80-17,325.72-3,651.52

Finding the Fourth Proportional to 11,547.80, 17,325.72 and 3,651.52

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Solution

The fourth proportional to 11,547.80, 17,325.72 and 3,651.52 is: 5,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547.80 : 17,325.72 = 3,651.52 : x
  2. Step 2: Convert to fraction form
    11,547.80/17,325.72 = 3,651.52/x
  3. Step 3: Cross multiply
    11,547.80x = 17,325.72 × 3,651.52
  4. Step 4: Simplify right side
    11,547.80x = 63,265,213.09
  5. Step 5: Solve for x
    x = 63,265,213.09/11,547.80
  6. Step 6: Final answer
    x = 5,478.55

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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.