Home / 12,880.52-19,322.30-4,558.80

Finding the Fourth Proportional to 12,880.52, 19,322.30 and 4,558.80

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Solution

The fourth proportional to 12,880.52, 19,322.30 and 4,558.80 is: 6,838.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,880.52 : 19,322.30 = 4,558.80 : x
  2. Step 2: Convert to fraction form
    12,880.52/19,322.30 = 4,558.80/x
  3. Step 3: Cross multiply
    12,880.52x = 19,322.30 × 4,558.80
  4. Step 4: Simplify right side
    12,880.52x = 88,086,501.24
  5. Step 5: Solve for x
    x = 88,086,501.24/12,880.52
  6. Step 6: Final answer
    x = 6,838.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.