Home / 8,282.18-11,429.70-4,744.64

Finding the Fourth Proportional to 8,282.18, 11,429.70 and 4,744.64

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Solution

The fourth proportional to 8,282.18, 11,429.70 and 4,744.64 is: 6,547.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282.18 : 11,429.70 = 4,744.64 : x
  2. Step 2: Convert to fraction form
    8,282.18/11,429.70 = 4,744.64/x
  3. Step 3: Cross multiply
    8,282.18x = 11,429.70 × 4,744.64
  4. Step 4: Simplify right side
    8,282.18x = 54,229,811.81
  5. Step 5: Solve for x
    x = 54,229,811.81/8,282.18
  6. Step 6: Final answer
    x = 6,547.77

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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.