Home / 12,949.14-17,869.22-7,284.36

Finding the Fourth Proportional to 12,949.14, 17,869.22 and 7,284.36

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Solution

The fourth proportional to 12,949.14, 17,869.22 and 7,284.36 is: 10,052.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949.14 : 17,869.22 = 7,284.36 : x
  2. Step 2: Convert to fraction form
    12,949.14/17,869.22 = 7,284.36/x
  3. Step 3: Cross multiply
    12,949.14x = 17,869.22 × 7,284.36
  4. Step 4: Simplify right side
    12,949.14x = 130,165,831.40
  5. Step 5: Solve for x
    x = 130,165,831.40/12,949.14
  6. Step 6: Final answer
    x = 10,052.08

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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.