Home / 12,215.04-16,846.20-7,733.76

Finding the Fourth Proportional to 12,215.04, 16,846.20 and 7,733.76

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Solution

The fourth proportional to 12,215.04, 16,846.20 and 7,733.76 is: 10,665.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215.04 : 16,846.20 = 7,733.76 : x
  2. Step 2: Convert to fraction form
    12,215.04/16,846.20 = 7,733.76/x
  3. Step 3: Cross multiply
    12,215.04x = 16,846.20 × 7,733.76
  4. Step 4: Simplify right side
    12,215.04x = 130,284,467.71
  5. Step 5: Solve for x
    x = 130,284,467.71/12,215.04
  6. Step 6: Final answer
    x = 10,665.91

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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.