Home / 12,237.36-16,880.04-10,669.20

Finding the Fourth Proportional to 12,237.36, 16,880.04 and 10,669.20

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Solution

The fourth proportional to 12,237.36, 16,880.04 and 10,669.20 is: 14,716.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.36 : 16,880.04 = 10,669.20 : x
  2. Step 2: Convert to fraction form
    12,237.36/16,880.04 = 10,669.20/x
  3. Step 3: Cross multiply
    12,237.36x = 16,880.04 × 10,669.20
  4. Step 4: Simplify right side
    12,237.36x = 180,096,522.77
  5. Step 5: Solve for x
    x = 180,096,522.77/12,237.36
  6. Step 6: Final answer
    x = 14,716.94

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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.