Home / 11,204.39-15,461.19-6,424.28

Finding the Fourth Proportional to 11,204.39, 15,461.19 and 6,424.28

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Solution

The fourth proportional to 11,204.39, 15,461.19 and 6,424.28 is: 8,865.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,204.39 : 15,461.19 = 6,424.28 : x
  2. Step 2: Convert to fraction form
    11,204.39/15,461.19 = 6,424.28/x
  3. Step 3: Cross multiply
    11,204.39x = 15,461.19 × 6,424.28
  4. Step 4: Simplify right side
    11,204.39x = 99,326,936.39
  5. Step 5: Solve for x
    x = 99,326,936.39/11,204.39
  6. Step 6: Final answer
    x = 8,865.01

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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.