Home / 8,281.63-11,424.81-4,922.56

Finding the Fourth Proportional to 8,281.63, 11,424.81 and 4,922.56

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Solution

The fourth proportional to 8,281.63, 11,424.81 and 4,922.56 is: 6,790.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.63 : 11,424.81 = 4,922.56 : x
  2. Step 2: Convert to fraction form
    8,281.63/11,424.81 = 4,922.56/x
  3. Step 3: Cross multiply
    8,281.63x = 11,424.81 × 4,922.56
  4. Step 4: Simplify right side
    8,281.63x = 56,239,312.71
  5. Step 5: Solve for x
    x = 56,239,312.71/8,281.63
  6. Step 6: Final answer
    x = 6,790.85

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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.