Home / 8,033.40-12,048.30-5,279.40

Finding the Fourth Proportional to 8,033.40, 12,048.30 and 5,279.40

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Solution

The fourth proportional to 8,033.40, 12,048.30 and 5,279.40 is: 7,917.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,033.40 : 12,048.30 = 5,279.40 : x
  2. Step 2: Convert to fraction form
    8,033.40/12,048.30 = 5,279.40/x
  3. Step 3: Cross multiply
    8,033.40x = 12,048.30 × 5,279.40
  4. Step 4: Simplify right side
    8,033.40x = 63,607,795.02
  5. Step 5: Solve for x
    x = 63,607,795.02/8,033.40
  6. Step 6: Final answer
    x = 7,917.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.