Home / 12,302.32-16,976.64-7,587.04

Finding the Fourth Proportional to 12,302.32, 16,976.64 and 7,587.04

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Solution

The fourth proportional to 12,302.32, 16,976.64 and 7,587.04 is: 10,469.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302.32 : 16,976.64 = 7,587.04 : x
  2. Step 2: Convert to fraction form
    12,302.32/16,976.64 = 7,587.04/x
  3. Step 3: Cross multiply
    12,302.32x = 16,976.64 × 7,587.04
  4. Step 4: Simplify right side
    12,302.32x = 128,802,446.75
  5. Step 5: Solve for x
    x = 128,802,446.75/12,302.32
  6. Step 6: Final answer
    x = 10,469.77

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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.