Home / 11,707.44-16,156.02-6,402.21

Finding the Fourth Proportional to 11,707.44, 16,156.02 and 6,402.21

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Solution

The fourth proportional to 11,707.44, 16,156.02 and 6,402.21 is: 8,834.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.44 : 16,156.02 = 6,402.21 : x
  2. Step 2: Convert to fraction form
    11,707.44/16,156.02 = 6,402.21/x
  3. Step 3: Cross multiply
    11,707.44x = 16,156.02 × 6,402.21
  4. Step 4: Simplify right side
    11,707.44x = 103,434,232.80
  5. Step 5: Solve for x
    x = 103,434,232.80/11,707.44
  6. Step 6: Final answer
    x = 8,834.91

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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.