Home / 12,258.63-16,896.34-9,386.37

Finding the Fourth Proportional to 12,258.63, 16,896.34 and 9,386.37

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Solution

The fourth proportional to 12,258.63, 16,896.34 and 9,386.37 is: 12,937.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258.63 : 16,896.34 = 9,386.37 : x
  2. Step 2: Convert to fraction form
    12,258.63/16,896.34 = 9,386.37/x
  3. Step 3: Cross multiply
    12,258.63x = 16,896.34 × 9,386.37
  4. Step 4: Simplify right side
    12,258.63x = 158,595,214.40
  5. Step 5: Solve for x
    x = 158,595,214.40/12,258.63
  6. Step 6: Final answer
    x = 12,937.44

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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.