Home / 11,440.53-15,783.27-6,960.69

Finding the Fourth Proportional to 11,440.53, 15,783.27 and 6,960.69

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Solution

The fourth proportional to 11,440.53, 15,783.27 and 6,960.69 is: 9,602.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,440.53 : 15,783.27 = 6,960.69 : x
  2. Step 2: Convert to fraction form
    11,440.53/15,783.27 = 6,960.69/x
  3. Step 3: Cross multiply
    11,440.53x = 15,783.27 × 6,960.69
  4. Step 4: Simplify right side
    11,440.53x = 109,862,449.66
  5. Step 5: Solve for x
    x = 109,862,449.66/11,440.53
  6. Step 6: Final answer
    x = 9,602.92

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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.