Home / 8,723.70-12,048.85-5,753.03

Finding the Fourth Proportional to 8,723.70, 12,048.85 and 5,753.03

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Solution

The fourth proportional to 8,723.70, 12,048.85 and 5,753.03 is: 7,945.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.70 : 12,048.85 = 5,753.03 : x
  2. Step 2: Convert to fraction form
    8,723.70/12,048.85 = 5,753.03/x
  3. Step 3: Cross multiply
    8,723.70x = 12,048.85 × 5,753.03
  4. Step 4: Simplify right side
    8,723.70x = 69,317,342.46
  5. Step 5: Solve for x
    x = 69,317,342.46/8,723.70
  6. Step 6: Final answer
    x = 7,945.86

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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.