Home / 8,623.36-11,900.40-4,847.36

Finding the Fourth Proportional to 8,623.36, 11,900.40 and 4,847.36

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Solution

The fourth proportional to 8,623.36, 11,900.40 and 4,847.36 is: 6,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.36 : 11,900.40 = 4,847.36 : x
  2. Step 2: Convert to fraction form
    8,623.36/11,900.40 = 4,847.36/x
  3. Step 3: Cross multiply
    8,623.36x = 11,900.40 × 4,847.36
  4. Step 4: Simplify right side
    8,623.36x = 57,685,522.94
  5. Step 5: Solve for x
    x = 57,685,522.94/8,623.36
  6. Step 6: Final answer
    x = 6,689.45

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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.