Home / 12,626.16-17,424.68-7,322.64

Finding the Fourth Proportional to 12,626.16, 17,424.68 and 7,322.64

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Solution

The fourth proportional to 12,626.16, 17,424.68 and 7,322.64 is: 10,105.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626.16 : 17,424.68 = 7,322.64 : x
  2. Step 2: Convert to fraction form
    12,626.16/17,424.68 = 7,322.64/x
  3. Step 3: Cross multiply
    12,626.16x = 17,424.68 × 7,322.64
  4. Step 4: Simplify right side
    12,626.16x = 127,594,658.76
  5. Step 5: Solve for x
    x = 127,594,658.76/12,626.16
  6. Step 6: Final answer
    x = 10,105.58

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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.