Home / 7,885.32-10,886.34-5,236.36

Finding the Fourth Proportional to 7,885.32, 10,886.34 and 5,236.36

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Solution

The fourth proportional to 7,885.32, 10,886.34 and 5,236.36 is: 7,229.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.32 : 10,886.34 = 5,236.36 : x
  2. Step 2: Convert to fraction form
    7,885.32/10,886.34 = 5,236.36/x
  3. Step 3: Cross multiply
    7,885.32x = 10,886.34 × 5,236.36
  4. Step 4: Simplify right side
    7,885.32x = 57,004,795.32
  5. Step 5: Solve for x
    x = 57,004,795.32/7,885.32
  6. Step 6: Final answer
    x = 7,229.23

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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.