Home / 12,045.44-16,622.71-6,741.28

Finding the Fourth Proportional to 12,045.44, 16,622.71 and 6,741.28

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Solution

The fourth proportional to 12,045.44, 16,622.71 and 6,741.28 is: 9,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,045.44 : 16,622.71 = 6,741.28 : x
  2. Step 2: Convert to fraction form
    12,045.44/16,622.71 = 6,741.28/x
  3. Step 3: Cross multiply
    12,045.44x = 16,622.71 × 6,741.28
  4. Step 4: Simplify right side
    12,045.44x = 112,058,342.47
  5. Step 5: Solve for x
    x = 112,058,342.47/12,045.44
  6. Step 6: Final answer
    x = 9,302.97

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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.