Home / 9,311.60-12,849.63-5,333.09

Finding the Fourth Proportional to 9,311.60, 12,849.63 and 5,333.09

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Solution

The fourth proportional to 9,311.60, 12,849.63 and 5,333.09 is: 7,359.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311.60 : 12,849.63 = 5,333.09 : x
  2. Step 2: Convert to fraction form
    9,311.60/12,849.63 = 5,333.09/x
  3. Step 3: Cross multiply
    9,311.60x = 12,849.63 × 5,333.09
  4. Step 4: Simplify right side
    9,311.60x = 68,528,169.01
  5. Step 5: Solve for x
    x = 68,528,169.01/9,311.60
  6. Step 6: Final answer
    x = 7,359.44

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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.