Home / 12,766.24-17,614.08-7,733.28

Finding the Fourth Proportional to 12,766.24, 17,614.08 and 7,733.28

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Solution

The fourth proportional to 12,766.24, 17,614.08 and 7,733.28 is: 10,669.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.24 : 17,614.08 = 7,733.28 : x
  2. Step 2: Convert to fraction form
    12,766.24/17,614.08 = 7,733.28/x
  3. Step 3: Cross multiply
    12,766.24x = 17,614.08 × 7,733.28
  4. Step 4: Simplify right side
    12,766.24x = 136,214,612.58
  5. Step 5: Solve for x
    x = 136,214,612.58/12,766.24
  6. Step 6: Final answer
    x = 10,669.91

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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.