Home / 8,923.32-13,374.36-6,724.80

Finding the Fourth Proportional to 8,923.32, 13,374.36 and 6,724.80

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Solution

The fourth proportional to 8,923.32, 13,374.36 and 6,724.80 is: 10,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.32 : 13,374.36 = 6,724.80 : x
  2. Step 2: Convert to fraction form
    8,923.32/13,374.36 = 6,724.80/x
  3. Step 3: Cross multiply
    8,923.32x = 13,374.36 × 6,724.80
  4. Step 4: Simplify right side
    8,923.32x = 89,939,896.13
  5. Step 5: Solve for x
    x = 89,939,896.13/8,923.32
  6. Step 6: Final answer
    x = 10,079.20

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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.