Home / 8,292.32-11,443.68-4,515.63

Finding the Fourth Proportional to 8,292.32, 11,443.68 and 4,515.63

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Solution

The fourth proportional to 8,292.32, 11,443.68 and 4,515.63 is: 6,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292.32 : 11,443.68 = 4,515.63 : x
  2. Step 2: Convert to fraction form
    8,292.32/11,443.68 = 4,515.63/x
  3. Step 3: Cross multiply
    8,292.32x = 11,443.68 × 4,515.63
  4. Step 4: Simplify right side
    8,292.32x = 51,675,424.72
  5. Step 5: Solve for x
    x = 51,675,424.72/8,292.32
  6. Step 6: Final answer
    x = 6,231.72

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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.