Home / 12,473.47-18,696.81-6,221.13

Finding the Fourth Proportional to 12,473.47, 18,696.81 and 6,221.13

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Solution

The fourth proportional to 12,473.47, 18,696.81 and 6,221.13 is: 9,325.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.47 : 18,696.81 = 6,221.13 : x
  2. Step 2: Convert to fraction form
    12,473.47/18,696.81 = 6,221.13/x
  3. Step 3: Cross multiply
    12,473.47x = 18,696.81 × 6,221.13
  4. Step 4: Simplify right side
    12,473.47x = 116,315,238.85
  5. Step 5: Solve for x
    x = 116,315,238.85/12,473.47
  6. Step 6: Final answer
    x = 9,325.01

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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.