Home / 11,804.78-16,298.43-7,335.20

Finding the Fourth Proportional to 11,804.78, 16,298.43 and 7,335.20

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Solution

The fourth proportional to 11,804.78, 16,298.43 and 7,335.20 is: 10,127.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,804.78 : 16,298.43 = 7,335.20 : x
  2. Step 2: Convert to fraction form
    11,804.78/16,298.43 = 7,335.20/x
  3. Step 3: Cross multiply
    11,804.78x = 16,298.43 × 7,335.20
  4. Step 4: Simplify right side
    11,804.78x = 119,552,243.74
  5. Step 5: Solve for x
    x = 119,552,243.74/11,804.78
  6. Step 6: Final answer
    x = 10,127.44

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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.