Home / 12,258.56-16,916.48-6,669.44

Finding the Fourth Proportional to 12,258.56, 16,916.48 and 6,669.44

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Solution

The fourth proportional to 12,258.56, 16,916.48 and 6,669.44 is: 9,203.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258.56 : 16,916.48 = 6,669.44 : x
  2. Step 2: Convert to fraction form
    12,258.56/16,916.48 = 6,669.44/x
  3. Step 3: Cross multiply
    12,258.56x = 16,916.48 × 6,669.44
  4. Step 4: Simplify right side
    12,258.56x = 112,823,448.37
  5. Step 5: Solve for x
    x = 112,823,448.37/12,258.56
  6. Step 6: Final answer
    x = 9,203.65

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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.