Home / 12,473.40-18,710.07-5,076.21

Finding the Fourth Proportional to 12,473.40, 18,710.07 and 5,076.21

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Solution

The fourth proportional to 12,473.40, 18,710.07 and 5,076.21 is: 7,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.40 : 18,710.07 = 5,076.21 : x
  2. Step 2: Convert to fraction form
    12,473.40/18,710.07 = 5,076.21/x
  3. Step 3: Cross multiply
    12,473.40x = 18,710.07 × 5,076.21
  4. Step 4: Simplify right side
    12,473.40x = 94,976,244.43
  5. Step 5: Solve for x
    x = 94,976,244.43/12,473.40
  6. Step 6: Final answer
    x = 7,614.30

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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.