Home / 12,626.64-17,423.52-7,322.88

Finding the Fourth Proportional to 12,626.64, 17,423.52 and 7,322.88

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Solution

The fourth proportional to 12,626.64, 17,423.52 and 7,322.88 is: 10,104.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626.64 : 17,423.52 = 7,322.88 : x
  2. Step 2: Convert to fraction form
    12,626.64/17,423.52 = 7,322.88/x
  3. Step 3: Cross multiply
    12,626.64x = 17,423.52 × 7,322.88
  4. Step 4: Simplify right side
    12,626.64x = 127,590,346.14
  5. Step 5: Solve for x
    x = 127,590,346.14/12,626.64
  6. Step 6: Final answer
    x = 10,104.85

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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.