Home / 8,348.68-11,520.56-4,571.02

Finding the Fourth Proportional to 8,348.68, 11,520.56 and 4,571.02

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Solution

The fourth proportional to 8,348.68, 11,520.56 and 4,571.02 is: 6,307.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.68 : 11,520.56 = 4,571.02 : x
  2. Step 2: Convert to fraction form
    8,348.68/11,520.56 = 4,571.02/x
  3. Step 3: Cross multiply
    8,348.68x = 11,520.56 × 4,571.02
  4. Step 4: Simplify right side
    8,348.68x = 52,660,710.17
  5. Step 5: Solve for x
    x = 52,660,710.17/8,348.68
  6. Step 6: Final answer
    x = 6,307.67

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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.