Home / 8,623.96-11,898.20-5,265.56

Finding the Fourth Proportional to 8,623.96, 11,898.20 and 5,265.56

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Solution

The fourth proportional to 8,623.96, 11,898.20 and 5,265.56 is: 7,264.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.96 : 11,898.20 = 5,265.56 : x
  2. Step 2: Convert to fraction form
    8,623.96/11,898.20 = 5,265.56/x
  3. Step 3: Cross multiply
    8,623.96x = 11,898.20 × 5,265.56
  4. Step 4: Simplify right side
    8,623.96x = 62,650,685.99
  5. Step 5: Solve for x
    x = 62,650,685.99/8,623.96
  6. Step 6: Final answer
    x = 7,264.72

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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.