Home / 11,274.56-15,555.10-6,554.96

Finding the Fourth Proportional to 11,274.56, 15,555.10 and 6,554.96

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Solution

The fourth proportional to 11,274.56, 15,555.10 and 6,554.96 is: 9,043.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.56 : 15,555.10 = 6,554.96 : x
  2. Step 2: Convert to fraction form
    11,274.56/15,555.10 = 6,554.96/x
  3. Step 3: Cross multiply
    11,274.56x = 15,555.10 × 6,554.96
  4. Step 4: Simplify right side
    11,274.56x = 101,963,058.30
  5. Step 5: Solve for x
    x = 101,963,058.30/11,274.56
  6. Step 6: Final answer
    x = 9,043.64

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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.