Home / 11,414.02-15,757.06-7,707.46

Finding the Fourth Proportional to 11,414.02, 15,757.06 and 7,707.46

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Solution

The fourth proportional to 11,414.02, 15,757.06 and 7,707.46 is: 10,640.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,414.02 : 15,757.06 = 7,707.46 : x
  2. Step 2: Convert to fraction form
    11,414.02/15,757.06 = 7,707.46/x
  3. Step 3: Cross multiply
    11,414.02x = 15,757.06 × 7,707.46
  4. Step 4: Simplify right side
    11,414.02x = 121,446,909.67
  5. Step 5: Solve for x
    x = 121,446,909.67/11,414.02
  6. Step 6: Final answer
    x = 10,640.15

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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.