Home / 12,287.18-16,959.94-10,626.44

Finding the Fourth Proportional to 12,287.18, 16,959.94 and 10,626.44

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Solution

The fourth proportional to 12,287.18, 16,959.94 and 10,626.44 is: 14,667.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287.18 : 16,959.94 = 10,626.44 : x
  2. Step 2: Convert to fraction form
    12,287.18/16,959.94 = 10,626.44/x
  3. Step 3: Cross multiply
    12,287.18x = 16,959.94 × 10,626.44
  4. Step 4: Simplify right side
    12,287.18x = 180,223,784.81
  5. Step 5: Solve for x
    x = 180,223,784.81/12,287.18
  6. Step 6: Final answer
    x = 14,667.63

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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.