Home / 8,905.66-12,288.81-4,926.22

Finding the Fourth Proportional to 8,905.66, 12,288.81 and 4,926.22

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Solution

The fourth proportional to 8,905.66, 12,288.81 and 4,926.22 is: 6,797.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.66 : 12,288.81 = 4,926.22 : x
  2. Step 2: Convert to fraction form
    8,905.66/12,288.81 = 4,926.22/x
  3. Step 3: Cross multiply
    8,905.66x = 12,288.81 × 4,926.22
  4. Step 4: Simplify right side
    8,905.66x = 60,537,381.60
  5. Step 5: Solve for x
    x = 60,537,381.60/8,905.66
  6. Step 6: Final answer
    x = 6,797.63

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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.