Home / 8,308.74-11,465.94-4,772.70

Finding the Fourth Proportional to 8,308.74, 11,465.94 and 4,772.70

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Solution

The fourth proportional to 8,308.74, 11,465.94 and 4,772.70 is: 6,586.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.74 : 11,465.94 = 4,772.70 : x
  2. Step 2: Convert to fraction form
    8,308.74/11,465.94 = 4,772.70/x
  3. Step 3: Cross multiply
    8,308.74x = 11,465.94 × 4,772.70
  4. Step 4: Simplify right side
    8,308.74x = 54,723,491.84
  5. Step 5: Solve for x
    x = 54,723,491.84/8,308.74
  6. Step 6: Final answer
    x = 6,586.26

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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.