Home / 9,236.24-12,740.64-5,696.96

Finding the Fourth Proportional to 9,236.24, 12,740.64 and 5,696.96

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Solution

The fourth proportional to 9,236.24, 12,740.64 and 5,696.96 is: 7,858.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,236.24 : 12,740.64 = 5,696.96 : x
  2. Step 2: Convert to fraction form
    9,236.24/12,740.64 = 5,696.96/x
  3. Step 3: Cross multiply
    9,236.24x = 12,740.64 × 5,696.96
  4. Step 4: Simplify right side
    9,236.24x = 72,582,916.45
  5. Step 5: Solve for x
    x = 72,582,916.45/9,236.24
  6. Step 6: Final answer
    x = 7,858.49

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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.