Home / 8,606.50-11,877.10-5,021.36

Finding the Fourth Proportional to 8,606.50, 11,877.10 and 5,021.36

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Solution

The fourth proportional to 8,606.50, 11,877.10 and 5,021.36 is: 6,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.50 : 11,877.10 = 5,021.36 : x
  2. Step 2: Convert to fraction form
    8,606.50/11,877.10 = 5,021.36/x
  3. Step 3: Cross multiply
    8,606.50x = 11,877.10 × 5,021.36
  4. Step 4: Simplify right side
    8,606.50x = 59,639,194.86
  5. Step 5: Solve for x
    x = 59,639,194.86/8,606.50
  6. Step 6: Final answer
    x = 6,929.55

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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.