Home / 11,426.68-15,768.90-6,711.04

Finding the Fourth Proportional to 11,426.68, 15,768.90 and 6,711.04

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Solution

The fourth proportional to 11,426.68, 15,768.90 and 6,711.04 is: 9,261.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,426.68 : 15,768.90 = 6,711.04 : x
  2. Step 2: Convert to fraction form
    11,426.68/15,768.90 = 6,711.04/x
  3. Step 3: Cross multiply
    11,426.68x = 15,768.90 × 6,711.04
  4. Step 4: Simplify right side
    11,426.68x = 105,825,718.66
  5. Step 5: Solve for x
    x = 105,825,718.66/11,426.68
  6. Step 6: Final answer
    x = 9,261.28

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Double scale
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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.