Home / 12,949.17-17,869.46-7,284.23

Finding the Fourth Proportional to 12,949.17, 17,869.46 and 7,284.23

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Solution

The fourth proportional to 12,949.17, 17,869.46 and 7,284.23 is: 10,052.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949.17 : 17,869.46 = 7,284.23 : x
  2. Step 2: Convert to fraction form
    12,949.17/17,869.46 = 7,284.23/x
  3. Step 3: Cross multiply
    12,949.17x = 17,869.46 × 7,284.23
  4. Step 4: Simplify right side
    12,949.17x = 130,165,197.86
  5. Step 5: Solve for x
    x = 130,165,197.86/12,949.17
  6. Step 6: Final answer
    x = 10,052.01

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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.