Home / 12,961.24-17,886.30-7,295.97

Finding the Fourth Proportional to 12,961.24, 17,886.30 and 7,295.97

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Solution

The fourth proportional to 12,961.24, 17,886.30 and 7,295.97 is: 10,068.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961.24 : 17,886.30 = 7,295.97 : x
  2. Step 2: Convert to fraction form
    12,961.24/17,886.30 = 7,295.97/x
  3. Step 3: Cross multiply
    12,961.24x = 17,886.30 × 7,295.97
  4. Step 4: Simplify right side
    12,961.24x = 130,497,863.50
  5. Step 5: Solve for x
    x = 130,497,863.50/12,961.24
  6. Step 6: Final answer
    x = 10,068.32

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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.