Home / 8,883.69-12,261.09-5,298.87

Finding the Fourth Proportional to 8,883.69, 12,261.09 and 5,298.87

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Solution

The fourth proportional to 8,883.69, 12,261.09 and 5,298.87 is: 7,313.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.69 : 12,261.09 = 5,298.87 : x
  2. Step 2: Convert to fraction form
    8,883.69/12,261.09 = 5,298.87/x
  3. Step 3: Cross multiply
    8,883.69x = 12,261.09 × 5,298.87
  4. Step 4: Simplify right side
    8,883.69x = 64,969,921.97
  5. Step 5: Solve for x
    x = 64,969,921.97/8,883.69
  6. Step 6: Final answer
    x = 7,313.39

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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.