Home / 8,520.23-11,761.13-4,984.58

Finding the Fourth Proportional to 8,520.23, 11,761.13 and 4,984.58

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Solution

The fourth proportional to 8,520.23, 11,761.13 and 4,984.58 is: 6,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520.23 : 11,761.13 = 4,984.58 : x
  2. Step 2: Convert to fraction form
    8,520.23/11,761.13 = 4,984.58/x
  3. Step 3: Cross multiply
    8,520.23x = 11,761.13 × 4,984.58
  4. Step 4: Simplify right side
    8,520.23x = 58,624,268.45
  5. Step 5: Solve for x
    x = 58,624,268.45/8,520.23
  6. Step 6: Final answer
    x = 6,880.60

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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.