Home / 11,275.94-15,560.44-6,240.17

Finding the Fourth Proportional to 11,275.94, 15,560.44 and 6,240.17

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Solution

The fourth proportional to 11,275.94, 15,560.44 and 6,240.17 is: 8,611.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.94 : 15,560.44 = 6,240.17 : x
  2. Step 2: Convert to fraction form
    11,275.94/15,560.44 = 6,240.17/x
  3. Step 3: Cross multiply
    11,275.94x = 15,560.44 × 6,240.17
  4. Step 4: Simplify right side
    11,275.94x = 97,099,814.18
  5. Step 5: Solve for x
    x = 97,099,814.18/11,275.94
  6. Step 6: Final answer
    x = 8,611.24

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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.