Home / 8,515.24-11,747.46-5,532.20

Finding the Fourth Proportional to 8,515.24, 11,747.46 and 5,532.20

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Solution

The fourth proportional to 8,515.24, 11,747.46 and 5,532.20 is: 7,632.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.24 : 11,747.46 = 5,532.20 : x
  2. Step 2: Convert to fraction form
    8,515.24/11,747.46 = 5,532.20/x
  3. Step 3: Cross multiply
    8,515.24x = 11,747.46 × 5,532.20
  4. Step 4: Simplify right side
    8,515.24x = 64,989,298.21
  5. Step 5: Solve for x
    x = 64,989,298.21/8,515.24
  6. Step 6: Final answer
    x = 7,632.12

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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.