Home / 8,253.81-11,390.31-4,476.99

Finding the Fourth Proportional to 8,253.81, 11,390.31 and 4,476.99

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Solution

The fourth proportional to 8,253.81, 11,390.31 and 4,476.99 is: 6,178.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.81 : 11,390.31 = 4,476.99 : x
  2. Step 2: Convert to fraction form
    8,253.81/11,390.31 = 4,476.99/x
  3. Step 3: Cross multiply
    8,253.81x = 11,390.31 × 4,476.99
  4. Step 4: Simplify right side
    8,253.81x = 50,994,303.97
  5. Step 5: Solve for x
    x = 50,994,303.97/8,253.81
  6. Step 6: Final answer
    x = 6,178.27

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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.