Home / 8,866.41-12,235.09-4,887.55

Finding the Fourth Proportional to 8,866.41, 12,235.09 and 4,887.55

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Solution

The fourth proportional to 8,866.41, 12,235.09 and 4,887.55 is: 6,744.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.41 : 12,235.09 = 4,887.55 : x
  2. Step 2: Convert to fraction form
    8,866.41/12,235.09 = 4,887.55/x
  3. Step 3: Cross multiply
    8,866.41x = 12,235.09 × 4,887.55
  4. Step 4: Simplify right side
    8,866.41x = 59,799,614.13
  5. Step 5: Solve for x
    x = 59,799,614.13/8,866.41
  6. Step 6: Final answer
    x = 6,744.51

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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.