Home / 8,887.46-12,255.50-7,632.66

Finding the Fourth Proportional to 8,887.46, 12,255.50 and 7,632.66

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Solution

The fourth proportional to 8,887.46, 12,255.50 and 7,632.66 is: 10,525.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.46 : 12,255.50 = 7,632.66 : x
  2. Step 2: Convert to fraction form
    8,887.46/12,255.50 = 7,632.66/x
  3. Step 3: Cross multiply
    8,887.46x = 12,255.50 × 7,632.66
  4. Step 4: Simplify right side
    8,887.46x = 93,542,129.67
  5. Step 5: Solve for x
    x = 93,542,129.67/8,887.46
  6. Step 6: Final answer
    x = 10,525.19

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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.