Home / 8,625.15-11,900.55-5,266.76

Finding the Fourth Proportional to 8,625.15, 11,900.55 and 5,266.76

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Solution

The fourth proportional to 8,625.15, 11,900.55 and 5,266.76 is: 7,266.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.15 : 11,900.55 = 5,266.76 : x
  2. Step 2: Convert to fraction form
    8,625.15/11,900.55 = 5,266.76/x
  3. Step 3: Cross multiply
    8,625.15x = 11,900.55 × 5,266.76
  4. Step 4: Simplify right side
    8,625.15x = 62,677,300.97
  5. Step 5: Solve for x
    x = 62,677,300.97/8,625.15
  6. Step 6: Final answer
    x = 7,266.81

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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.