Home / 11,822.38-16,320.54-7,349.12

Finding the Fourth Proportional to 11,822.38, 16,320.54 and 7,349.12

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Solution

The fourth proportional to 11,822.38, 16,320.54 and 7,349.12 is: 10,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.38 : 16,320.54 = 7,349.12 : x
  2. Step 2: Convert to fraction form
    11,822.38/16,320.54 = 7,349.12/x
  3. Step 3: Cross multiply
    11,822.38x = 16,320.54 × 7,349.12
  4. Step 4: Simplify right side
    11,822.38x = 119,941,606.92
  5. Step 5: Solve for x
    x = 119,941,606.92/11,822.38
  6. Step 6: Final answer
    x = 10,145.30

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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.