Home / 11,927.71-16,460.67-6,622.93

Finding the Fourth Proportional to 11,927.71, 16,460.67 and 6,622.93

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Solution

The fourth proportional to 11,927.71, 16,460.67 and 6,622.93 is: 9,139.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.71 : 16,460.67 = 6,622.93 : x
  2. Step 2: Convert to fraction form
    11,927.71/16,460.67 = 6,622.93/x
  3. Step 3: Cross multiply
    11,927.71x = 16,460.67 × 6,622.93
  4. Step 4: Simplify right side
    11,927.71x = 109,017,865.16
  5. Step 5: Solve for x
    x = 109,017,865.16/11,927.71
  6. Step 6: Final answer
    x = 9,139.88

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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.