Home / 11,515.68-17,275.68-4,590.24

Finding the Fourth Proportional to 11,515.68, 17,275.68 and 4,590.24

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Solution

The fourth proportional to 11,515.68, 17,275.68 and 4,590.24 is: 6,886.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515.68 : 17,275.68 = 4,590.24 : x
  2. Step 2: Convert to fraction form
    11,515.68/17,275.68 = 4,590.24/x
  3. Step 3: Cross multiply
    11,515.68x = 17,275.68 × 4,590.24
  4. Step 4: Simplify right side
    11,515.68x = 79,299,517.36
  5. Step 5: Solve for x
    x = 79,299,517.36/11,515.68
  6. Step 6: Final answer
    x = 6,886.22

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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.