Home / 12,480.24-17,225.55-8,502.94

Finding the Fourth Proportional to 12,480.24, 17,225.55 and 8,502.94

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Solution

The fourth proportional to 12,480.24, 17,225.55 and 8,502.94 is: 11,735.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480.24 : 17,225.55 = 8,502.94 : x
  2. Step 2: Convert to fraction form
    12,480.24/17,225.55 = 8,502.94/x
  3. Step 3: Cross multiply
    12,480.24x = 17,225.55 × 8,502.94
  4. Step 4: Simplify right side
    12,480.24x = 146,467,818.12
  5. Step 5: Solve for x
    x = 146,467,818.12/12,480.24
  6. Step 6: Final answer
    x = 11,735.98

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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.